2008 Proceedings of the 25th ISARC, Vilnius, Lituania

Identifying Elements Of Enterprise Wide Application Selection Eco-System

Miroslaw J. Skibniewski, S. Ghosh

Technology acceptance is a challenge that can be addressed properly if decision makers of technology acceptance are aware of all issues that need to be addressed. Borrowing theory of basic ecology, researchers propose an information technology (IT) ecosystem (IECOS) and identified in the entirety all the elements present at IECOS. The study ...

Keywords: Ecology, technology acceptance model, compatibility, usefulness

Optimal Buildings Through Automation Technology: Toward Systems Unification For Secure, Intelligent, Green, And Immune Buildings

Miroslaw J. Skibniewski
Pages 1-4

Intelligent Building and construction automation in one form or another have been in existence for decades. Open source communication protocol standards such as BACnet have been instrumental in the profilation of intelligent building technologies while yielding many benefits.

Keywords: No keywords

Smart Structures And Building Automation In The 21st Century

Hojjat Adeli
Pages 5-10

Building automation has become increasingly common and advanced in the past two decades. There is also a trend toward design of large and significant buildings such as highrise buildings with unusual configurations. In this Keynote Lecture it is argued that the next big step in building automation will be development ...

Keywords: Building automation, health monitoring of structures, smart structures

Digital Design And Robotic Production Of 3D Shaped Precast Components

Thomas Bock
Pages 11-21

Multifunctional robotic production cells were first applied in the prefabrication of concrete floor panels and later for wall and roof panels. The next step was to design and produce not only flat panels but also 3 dimensionally curved panels, in which each panel had 3 dimensionally varying curvatures. The technological ...

Keywords: Digital architecture, digital design, digital production, automation, robotics, industrialization, customization

Research Of Experimental Road Pavement Structures

Donatas Cygas, Alfredas Laurinavicius, Audrius Vaitkus and Virgaudas Puodziukas
Pages 22-28

The rapid growth of heavy traffic, the increase in the standard axle load make scientists to look forward for new durable road constructing materials and their mixes. The continuously increasing need for the strengthening of road pavement structures induces to use new road reconstruction technologies, to search for new methods ...

Keywords: Road pavement structure, experimental section, stress, strain, transducer, road constructing material.

Automated Productivity Control Of Labor And Road Construction

Ronie Navon
Pages 29-32

The purpose of the work presented here is to automate productivity measurement so that productivity information will be available on a daily basis, its quality and integrity will be improved and the cost of generating it will be reduced. To do this, the Technion APPC research group started exploring the ...

Keywords: Automation; Data collection; Feedback control; Control methods; Monitoring

Ignalina Nuclear Power Plant Safety Issues

Eugenijus Uspuras, Sigitas Rimkevicius and Algirdas Kaliatka
Pages 33-38

The Ignalina Nuclear Power Plant (NPP) consists of two units, commissioned in 1983 and 1987. Unit 1 of Ignalina NPP was shutdown for decommissioning at the end of 2004 and Unit 2 is to be operated until the end of 2009. Both units are equipped with channel-type graphite-moderated boiling water ...

Keywords: Nuclear power plant, Safety analysis, Fuel channel, RBMK-1500.

Advanced Information And Communication Technologies In Construction

Edmundas Kazimieras Zavadskas and Arturas Kaklauskas
Pages 39-45

Currently, construction and real estate are characterized by the intensive creation and use of information and communication technology. The authors of this paper in cooperation with other specialists developed the Construction Technology Platform of the Republic of Lithuania. Information and Communication Technology in Construction is one part of the Platform; ...

Keywords: Construction, Real Estate, Information and Communication Technologies, Intelligent and Biometrics Technologies

Can-Bus Application System In Close Loop Control Systems For Heavy Machines

Michal Bednarski, Dariusz Dabrowski and Jan Szlagowski
Pages 47-51

This paper describes the examples of practical applications of CAN-bus system in close control loop system of the equipment for the heavy machines. The document covers three topics. The first one is using CAN-bus in control systems, its pros (small cable harness, easier servicing, etc.) and cons (such as asynchronous ...

Keywords: Automation systems, Can-bus, digital control of the hydraulic systems

An Introduction For Mega House

Min-Yuan Cheng, Li-Chuan Lien and Ming-Hsiu Tsai
Pages 52-57

Life cycle information integration is a significant to construction projects. Radio frequency identification (RFID) technology is highly potential for integrating the information over the construction life cycle. Saving information with RFID tags, essential information can be saved and updated along different phases of the construction life cycle. Moreover, Open-Building (OB) ...

Keywords: Construction life cycle, radio frequency identification, open-building, MEGA house.

Rapid 3d Object Recognition For Automatic Project Progress Monitoring Using A Stereo Vision System

Nuri Choi, Hyojoo Son, Changwan Kim, Changyoon Kim, Hyoungkwan Kim
Pages 58-63

Progress monitoring, a critical tool for successful construction projects, provides information on the present state of construction, which can then be compared with the original plan. The comparison can be used in decision-making to control variations in project performance. However, current methods for acquiring and updating information on the progress ...

Keywords: 3D object recognition, image processing, stereo vision system, progress monitoring

A Simulation Tool For Radio Frequency Identification Construction Supply Chains

Frans van Gassel and Glenco Jansen
Pages 64-68

Radio Frequency IDentification (RFID) technology is being used more and more in the construction industry. RFID tags and peripheral equipment are becoming cheaper and more suitable for application in the supply chain. However, it is difficult for contractors to estimate the costs and benefits of using RFID technology in their ...

Keywords: RFID, construction supply chain, failure costs

Web-Based Biometric Mouse Decision Support System For User’S Emotional And Labour Productivity Analysis

A. Kaklauskas, E. K. Zavadskas, M. Seniut, M. Krutinis, G. Dzemyda, S. Ivanikovas, V. Stankevic, C. Šimkevicius, A. Jaruševicius
Pages 69-75

In order to increase the efficiency of employees’ activities, a Web-based Biometric Mouse Decision Support System for User’s Emotional and Labour Productivity Analysis (MDSS-UELPA) was developed by the authors. MDSS-UELPA consists of seven subsystems: Data Capture and Collection Subsystem, Feature Extraction Subsystem, Database Management Subsystem, Model-base Management Subsystem, Equipment Subsystem, ...

Keywords: Web-based, Biometric Mouse, Decision Support System for User’s Emotional and Labour Productivity Analysis, Subsystems, Historical Information

Development Of A Life Cycle Costing System For Light Rail Transit Construction Projects

Gu-Taek Kim, Kyoon-Tai Kim, Du-Heon Lee, Choong-Hee Han, Hyun-Bae Kim and Jin-Taek Jun
Pages 76-87

The need for Light Rail Transit (LRT) in Korea has substantially increased as a result of the heavy traffic congestion in large cities such as Seoul. In Korea, most of the LRT construction projects have been achieved with the help of private sector investment, and the private sector companies that ...

Keywords: Life Cycle Cost (LCC), Cost Breakdown Structure (CBS), Light Rail Transit (LRT), Economic Evaluation

Automated Geometry Control Of Precast Segmental Bridges

Kavin Kumar, K. Senthil Nathan, Koshy Varghese and K. Ananthanarayanan
Pages 88-94

The short-line match-cast joint method of pre-casting concrete segments has proved to be the most versatile and reliable way to building pre-cast segmental bridges. The essential feature of match casting is that successive segments are cast against adjoining segment in the correct relative orientation with each other starting from the ...

Keywords: Segmental Bridges, Match-casting, Short-line method, Geometry control

Automated excavation process analysis for given trajectory and soil parameters

Jaroslaw Kusmierczyk, Jan Szlagowski
Pages 95-99

Since excavation process is very complex, it can be optimized in many ways, using different factors. In this paper excavation process optimization for backhoe excavator is presented. Results that are presented covers two scopes. First, relation between excavating force and tool angle of attack. Second is optimization of the bucket ...

Keywords: automation, backhoe excavator, measurement, digging force

A gate sensor for construction logistics

Woo-Jae Lee; Jae-Hong Song; Soon-Wook Kwon; Sangyoon Chin; Cheolho Choi; Yea-Sang Kim
Pages 100-105

Construction logistics plays an important role to complete construction projects successfully. It is necessary to monitor incoming and outgoing resources by time phase. And it is very significant to notify immediately where the incoming material or equipment should go at especially large construction site according to site advantages of RFID, ...

Keywords: Site Logistics, Material management, RFID, Wireless Radio Communication Technology

Seismic responses of civil structures under magnetorheological-device direct control

M. T. Nguyen, H. Dalvand, Ying-Hao Yu, Q. P. Ha
Pages 106-112

This paper presents an efficient control strategy for magnetorheological (MR) dampers embedded in building structures to mitigate quake-induced vibrations. In this work, MR dampers are used as semi-active devices, taking the advantages of the fail-safe operation and low power requirement. By using a static hysteresis model for the MR damper, ...

Keywords: Structural control, MR dampers, semi-active control, seismic response

Measuring and update of shape of pile for loading operation by wheel loader

Shiegru Sarata; Niriho Kiyachi; Kazuhiro Sugawara
Pages 113-118

Authors have been conducting research on an unmanned loading system by wheel loader. The system has function of sensing, decision making and control of motion. The operation of the system is autonomous completely without any assist of human operator. As a part of the research, the detection method of location ...

Keywords: Wheel loader, Loading operation, Autonomous system, Stereo-vision

Online-estimation of vibratory driven piles' bearing capacity: a first approach

Markus Schönit;Dirk Reusch
Pages 119-128

Bearing capacity is an important attribute of driven piles. For centuries pile hammers have been used and their number of blows can be interpreted with respect to piles’ bearing capacity and soil characteristics. However, currently no method exists to interpret process parameters of vibratory pile driving with respect to a ...

Keywords: Bearing capacity, vibratory pile driving, diesel hammer, online-estimation

New model of cement product – Precast slab track for THSR (Taiwan High Speed Rail)

Yan-Chyuan Shiau, Chih-Ming Huang, Ming-Teh Wang and Lian-Ting Lu
Pages 129-140

The development of "slab track" was started by Japan in 1955 and the "Committee of slab track research" was established in 1971 for exclusive development of slab track. This makes Japan the country that has invested the most effort into slab tracks. On 5th January 2007, the THSR transferred from ...

Keywords: Slab track, Taiwan High Speed Rail, Pre-cast track system, Quality management

An autonomous robot equipped with the gps virtual reference station (vrs) system to perform pavement distress surveys

Jia-Ruey Chang; Shih-Chung Kang; Peter M. Liu; Shang-Hsien Hsieh; Tsun-Cheng Huang; Ping-Hung Lin
Pages 141-147

Various pavement distresses (cracking, pothole, manhole, patching, etc.) that exist randomly across pavements deteriorate the quality of the pavement structure and need to be immediately dealt using proper maintenance and rehabilitation (M&R) strategies. Traditionally pavement distress surveys are performed using manually operated or driven equipment, and hence are very labour-intensive, ...

Keywords: Pavement distress survey, Autonomous robot, Global positioning system (GPS), Virtual reference station (VRS) system

A haptic base human robot interaction approach for robotic grit blasting

Pholchai Chotiprayanakul, Dalong Wang, Ngaiming Kwok and Dikai Liu
Pages 148-154

This paper proposes a remote operation method for a robot arm in a complex environment by using the Virtual Force (VF) based approach. A virtual robot arm is manipulated by a steering force, at the end-effecter, which is generated according to the movement of a feedback haptic. A three-dimensional force ...

Keywords: Virtual Force Field, Remote Operation, Human Robot Interaction (HRI), Steel Bridge Maintenance System

Detection of screws on metal ceiling structures for dismantling systems

S. Rolando Cruz-Ramírez, Yasushi Mae, Yuusuke Ishizuka, Tomohito Takubo and Tatsuo Arai
Pages 155-162

In the dismantling works of office interiors for renewal, a robotic system is needed in order to assist the human workers engaged in this kind of job. Regarding to the items in the ceiling side, after a dismantling task of the ceiling boards, it is necessary to remove the screws ...

Keywords: Dismantling System, Screw Detection, Pose Estimation of LGS

Effect of scanning density on the accuracy of locating sphere centers for registration

Marek Franaszek, Geraldine Cheok, Kamel Saidi, Christoph Witzgall
Pages 163-168

Applications for 3D imaging systems (e.g., laser scanners) have increased significantly in the past decade. Data from such systems often require registration. Spheres are often used for registration because they look the same from each direction and provide well defined reference points: fitted sphere centers. Common practice is to first ...

Keywords: 3D-imaging systems, target based registration, sphere fitting, construction automation

Development of smart showroom

Yutaro Fukase; Keigo Takeuchi; Hitoshi Satoh; Shigeru Aoki
Pages 169-174

We have been studying "Smart Robotics Building". That is an idea of a building where robots can easily move and offer various services to us, using IT infrastructures around them. "Smart Showroom" is a part of “Smart Robotics Building”. In the showroom, a robot automatically gives us a grand tour ...

Keywords: Detecting Robot Position, Area Monitoring, Guidance Robot, Robotics Building

A linear optimization approach to inverse kinematics of redundant robots with respect to manipulability

Wildan Lalo, Thorsten Brandt, Dieter Schramm, Manfred Hiller
Pages 175-180

The solution of the inverse kinematics is required in many technical applications. In this contribution a concept is proposed which reformulates the inverse kinematics (IK) of kinematically redundant manipulators as a linear programming (LP) problem. This formulation enables the explicit consideration of technical constraints as for example mechanical end-stops, velocity ...

Keywords: redundancy, inverse kinematics, linear programming, manipulability, manipulator

Human robot cooperative control and task planning for a glass ceiling installation robot

Seungyeol Lee; Jungil Lee; Changsoo Han; Kyeyoung Lee; Sangheon Lee
Pages 181-186

Building materials and components are much larger and heavier than general industrial materials. A glass panel is a type of building material used for interior finishing. The demand for larger glass panels has increased along with the number of high-rise buildings and an increased interest in interior design. The objective ...

Keywords: Glass ceiling, Installation robot, Human Robot Cooperative control, Task planning

Proposal for a modular-type knee-assistive wearable unit and verification of its feasibility

Seung-Hoon Lee, Seung-Nam Yu, Hee-Don Lee, Sung-Joon Hong, Chang-Soo Han, Jung-Soo Han
Pages 187-194

To study human locomotor adaptation and feasibility, we used a lower limb robotic exoskeleton controlled by the wearer’s muscle activity. A healthy and normal subject walked while wearing an electrically powered knee exoskeleton on two knees, which effectively increased the plantar flexor strength of the knees and their neighboring muscles. ...

Keywords: Knee-assistive system, wearable robot, exoskeleton, muscle stiffness sensor, EMG signal

Robotized lean assembly in the building industry

S. Martinez; C. Balaguer; A. Jardon; J.M. Navarro; A. Gimenez; C. Barcena
Pages 195-201

The construction is probably one of the oldest industries that exist nowadays. The processes and techniques used today are basically the same since ancient times. The main difference is the level of mechanization used in the tasks execution and materials used. What seems obvious is the fact that building industry ...

Keywords: Robotics, Lean construction, Building industrialisation, Service core

Design of a haptic device for excavator equipped with crusher

Kyeong Won Oh, Dongnam Kim, Daehie Hong, Jong-Hyup Park, Sukhie Hong
Pages 202-208

The dismantling processes are very dangerous and there have been many studies for utilizing a remote control system to increase operator’s safety. This paper deals with the remote control problem by developing a novel haptic device to control an excavator equipped with the crusher which is one of the most ...

Keywords: Haptic Device, Excavator, Crusher Attachment, Dismantling Process, Remote Control

Behavior of dynamic processes in self-exciting vibration of an inpipe robot

Kazimieras Ragulskis, Marijonas Bogdevicius, Vygantas Mištinas
Pages 209-212

In this paper, a robot for inpipe inspection of underground urban gas pipeline is presented. The robot is developed for visual and Non-Destructive Testing of the pipeline networks. The dynamic model of an inpipe robot with a self – exciting vibratory drive and its feed – compressor with feed – ...

Keywords: inpipe robot, dynamics, self-exciting vibration, feeder, numerical method

Discussion of pot bearing for concrete bridge

Yan-Chyuan Shiau, Chih-Ming Huang, Ming-Teh Wang, Jin-Yi Zeng
Pages 213-223

Road engineering consists of three major structures, road embankments, bridges, and tunnels. In consideration of the cost of land acquisition in urban areas, the trend of road engineering migrating to hilly or mountain areas has been developed. Under such topographic restrictions, enormous bridge constructions would certainly be the consequence. After ...

Keywords: Pot bearing, Elastomer, Reinforced Concrete Bridge, Damage Prevention

Two efficient techniques for difficult applications of machine vision in construction industry

Andrzej Sluzek
Pages 224-231

Machine vision is prospectively the most powerful sensing technique for intelligent automation. However, the existing techniques and algorithms only partially satisfy the needs of construction industry, mainly because of degrading effects that are frequently present at construction sites (weather conditions, muddy, sandy or water-covered sites, partially buried objects, sources of ...

Keywords: Machine vision, object detection, local features, gated imaging.

Real-time object recognition and modeling for heavy-equipment operation

Hyojoo Son, Changwan Kim, Hyoungkwan Kim, Kwang-Nam Choi, Jeong-Min Jee
Pages 232-237

Recognition of free-form objects located in environments that are difficult to characterize or are constantly changing is critical in providing interactive background information for construction worksite modeling. It also allows for accurate, efficient, and autonomous operation of heavy equipment in a broad range of construction tasks. This paper presents a ...

Keywords: 3D Modeling, Flash LADAR, Heavy Equipment Operation, Object Recognition, Point Clouds.

Modelling of servo-drive system with hydraulic "multi-piston" motor

Jan Szlagowski, Tomasz Miroslaw, Zbigniew Zebrowski
Pages 238-245

The great progress in computer hardware and software technique and technology changed the way of new product designing. It concern not only new designing tools like CAD/CAM programs but also a new approach to creation process. Additional stage of work appeared - the computer modelling. It helps us to find ...

Keywords: Computer modelling, hydraulic system, hydraulic piston motor

Use of laser rangefinder to detecting in surroundings of mobile robot the obstacles

Andrzej Typiak
Pages 246-251

Detecting obstacles and creating a map of surroundings are essential problems for navigation system of unmanned vehicles. Perception systems for autonomous navigation of unmanned ground vehicles (UGVs) must detect all manner of potential navigation hazards. Until quite recently, UGV perception research had focused largely on perception of 3-D terrain geometry ...

Keywords: laser rangefinder, surroundings recognition, perception system

Utilization of remote controlled vehicle with hydrostatic driving system

Andrzej Typiak, Zbigniew Zienowicz
Pages 252-256

The importance of unmanned vehicles is directly related to the applications to which it can be successfully applied. This paper will highlight applications, missions, and capabilities that have been demonstrated on the Lewiatan platform to date as well as future application and mission considerations. This platform is equipped with remote ...

Keywords: remote controlled vehicle, high mobility platform, hydrostatic driving system

Performance evaluation of melting-blown color pavement method

In-Kyoon Yoo, Soo-Hyung Lee
Pages 257-264

With the improvement in standard of living as well as economic growth, unlike the past, the importance of environmental and aesthetic aspects of construction structures is now greatly emphasized out of change of environment recognition. In particular, color pavement is generally applied to walks at park, sidewalk, bicycle path, parking ...

Keywords: Color Pavement, Melting Blown, Performance Evaluation

Safety excavation in salt rock used for underground storage in Romania

Susana Arad, Victor Arad, Joel Veres, Olimpiu Stoicuta
Pages 265-271

The use of underground excavation in salt-rock formations for waste storage imposes the precise analysis of properties of salt rock and a stress analysis. One of the main mechanisms responsible for a degradation of isolation ability of the rock salt is the generation and development of cracks under influence of ...

Keywords: Salt, underground excavation, stress, numerical analyze

DEM analysis of effect of the particle size during the material flow in wedge-shaped hopper

Robertas Balevicius, Rimantas Kacianauskas
Pages 272-278

The current analysis was mainly focused to the study of the strained physical effects arising from a decrease of the particles number. The main aspects concerning programming concepts as well as languages having influence on the computer time of simulations is also presented. The limitation in the particles amount was ...

Keywords: Discrete element method, programming concepts, material heterogeneity, wedge shaped three-dimensional hopper

Automated 3d data collection (A3DDC) for 3D building information modeling

F. Bosche, Carl T. Haas
Pages 279-285

The Architectural/Engineering/Construction (AEC) industry is slowly shifting toward performance-driven project and project delivery. Assuring good performance requires efficient performance control processes. Among the different construction performance control processes, many critical ones, including progress tracking, productivity tracking and dimensional quality control, rely on efficient three-dimensional (3D) information flows. However, the AEC ...

Keywords: Project Control Processes, Monitoring, Three-dimensional, Automated Data Collection (ADC), Building Information Model (BIM).

3D imaging system for the intelligent excavation system (IES)

M. J. Chae, H. S. Yoo, J. R. Kim, M. Y. Cho, J. H. Jang, D. S. Jang
Pages 286-291

There have been many efforts in automatic object recognition using computing technologies. Especially, in the development of automated construction equipment, automatic object recognition is very important issue for the proper equipment maneuvering. 3D imaging system was used, which employs the TOF (time-of-flight) of a laser to measure the distances of ...

Keywords: 3D imaging system, Earth work environment modelling

A study of safety management using working area information on construction site

Soungho Chae, Tomohiro Yoshida
Pages 292-299

The authors discussed on the development of a safety management support system to prevent construction site accidents using working area information. The past disasters on heavy equipment were evaluated to clarify the causes of the accidents, and the functions for support system to prevent collision were defined. The design of ...

Keywords: Safety Management, RFID, Working Area, past disasters, collision accident

Advanced real-time safety management system for construction sites

A. Giretti, A. Carbonari, B. Naticchia, M. De Grassi
Pages 300-305

This paper reports the results of preliminary experiments concerning position tracking of workers in construction sites. The experiments are part of an ongoing research concerning the development of a new generation of advanced construction management systems allowing real-time monitoring and coordination of tasks, automatic health and safety management, on-site delivery ...

Keywords: Automation in construction, construction management, health and safety, ultra wide band, position tracking systems

Monitoring of complex design systems of special structures

Yevhen Gorokhov, Yaroslav Nazim, Volodymyr Vasylev, Sergiy Kuznetsov, Valentyna Garkusheva
Pages 306-311

Monitoring of special structures is more and more widely spread to estimate their state while in use. The forecast reliability is conditioned by a quality of the observation program, equipment and apparatuses, by means of processing and analysis of the observation results. For this purpose there was established a Site ...

Keywords: Monitoring, special structures, weather station

Automated selection of value efficient buildings refurbishment alternatives

Arturas Kaklauskas, Laura Tupenaite, Loreta Kanapeckiene
Pages 312-317

It has often been assumed theoretically that refurbishment would enhance the market value of the aged buildings because it can restore and improve the building conditions physically and economically. However, refurbishment should be considered as investment which is not always profitable. In order to select value efficient refurbishment alternatives automated ...

Keywords: Refurbishment, Value Efficiency, Automated Selection of Alternatives, Investments

Telemetric system for management in concrete process

Andrzej Karzowski
Pages 318-323

In day of Internet and mobile phones of wireless broadcast of data, GPS – tools to collecting and transmitting of information, in real time one should to create tools, which will assemble this information and will be capable to aid technological decision in constriction industry. Building and first of all ...

Keywords: GSM, GPRS, decision making, decision analysis

The role of camera networks in construction automation

Itai Katz, Kamel Saidi, Alan Lytle
Pages 324-329

Due to the complexity and variability of capital construction sites, real-time monitoring remains an elusive goal. As unit price continues to fall, camera networks are becoming increasingly viable sensing modalities. The benefits of combining multiple, overlapping image sources include the ability to produce 3D scene reconstruction as well as localize ...

Keywords: Construction automation, calibrated camera network, situation awareness

Design and implementation of a real-time slope monitoring system based on ubiquitous sensor network

Kyoon-Tai Kim, Jae-Goo Han
Pages 330-336

The casualties due to slope failures such as landslide, rock fall, debris flow etc. are about 24% in total casualties caused by natural disasters for the last 10 years in Korea. And these slope failures in Korea are focused in the season in which typhoon and torrential rain take place. ...

Keywords: Ubiquitous Sensor Network (USN), Wireless Sensor Network (WSN), slope failure, monitoring

Integrated tunnel monitoring system using wireless automated data collection technology

Jung-Ryul Kim, Hyun-Suk Yoo, Soon-Wook Kwon, Moon-Young Cho
Pages 337-342

Tunnel accident is apt to become a serious disaster when it occurs. But tunnel construction is being increased rapidly in Korea because tunnel has advantages and usefulness. According to Korean Ministry of Land, Transport and Maritime Affairs, total length of road tunnels was extended from 150 km to 648 km ...

Keywords: Tunnel, ADC, Monitoring, Zigbee, Wireless Communication

Methods of strain measurements in construction monitoring systems

Vygaudas Kvedaras, Rokas Kvedaras, Ricardas Masiulionis
Pages 343-349

Results of analysis of recent accidents in public buildings are presented. It is shown that construction state identification systems are integral part of public and local warning and security systems. Structure of construction of state identification system is proposed and analysed. It is established that in order to ensure wide ...

Keywords: Stain measurement, Multi-channel strain measurement, Digitally Balanced Wheatstone Bridge, Digital balancing of currents

Building ontology to implement the bim (building information modeling) focused on pre-design stage

Joo-Sung Lee, Kyung-Min Min, Yoon-Sun Lee, Ju-Hyung Kim, Jae-Jun Kim
Pages 350-354

Pre-planning stage is a most important stage to determine the success of the project throughout the construction lifecycle. Therefore, all information generated from the pre-planning stage must be processed and retained in the format which all he project participants can share. Furthermore, using object-oriented attributes and meta-data in BIM ...

Keywords: Ontology, OWL DL, BIM (Building Information Modeling), Space Object

Overview of pavement management system in korea and its operation results

Soo-Hyung Lee, In-Kyoon Yoo
Pages 355-364

Roads in Korea have been extended drastically in their lengths with high demand for highway construction caused by the economic upsurge in the early 1970s and they are playing a significant role as a key facility to support sustainable economic growth ever since. Importance of roads is growing even more ...

Keywords: Pavement Management System, Maintenance, Road, Pavement Condition

Data collection to meet contract requirements

Ger Maas, Arjen Vos
Pages 365-372

Infrastructural projects under a Design, Build, Finance and Maintenance contract (DBFM) need a different approach for information management. This paper gives an insight of Dutch initiatives in the HSL ZUID project (High speed rail track from Amsterdam to Antwerp). This contract is awarded is 2001 and delivered as a DBFM contract ...

Keywords: Sensor, DBFMO, contract, data collection

Indoor heading measurement system

Marius Malcius, Darius Muncys, Sarunas Atkociunas
Pages 373-378

This paper analyses iGPS as stand alone system for vehicle heading measurement and presents iGPS and gyro fusion algorithm based on Kalman filter. This solution has advantage of reduced heading measurement delay, higher measurement update ratio and also increased resistance to iGPS outage, which makes it more suitable for indoor ...

Keywords: Heading measurement, Kalman filter, indoor GPS

LitPOS – A service for precise positioning in real time

Eimuntas Parseliunas
Pages 379-383

LitPOS – the state network of permanent reference GNSS stations – is operational from July 2007. It provides data both for the real-time and post-processing applications. LitPOS stations cover the all territory of Lithuania. Total number of GNSS stations is 25 therefore the integration of some stations of neighbouring countries ...

Keywords: GNSS infrastructure, LitPOS, EUPOS, real time precise positioning

Implementation and verification of a new california type profilograph based on WLAN

Sugoog Shon, Inkyoon Yoo, Soohyung Lee, Jewon Kim
Pages 384-390

In this paper, profile measurement mechanism of a conventional California type profilograph is discussed and a new analytical model to include the non-linear characteristics of the profile sensing mechanism is introduced. A new digital 7.6 m California type profilograph with the combination of a modern sensor, a roughness evaluation software, ...

Keywords: California type profilograph, WLAN, PrI, wavelength response, TCP/IP protocol stack

Analyzing the travel patterns of construction workers

Jochen Teizer; Uday Mantripragada; Manu Venugopal
Pages 391-396

This paper describes a new framework and its algorithms of using frequent positioning data to entitle rapid learning among construction site managers and workers for safety. If collected accurately and in real-time, the location, speed, and trajectory of construction resources (e.g., workers, equipment, materials) can lead to important information regarding ...

Keywords: Obstacle Detection and Avoidance, Path Planning, Safety, Tracking, Ultra Wideband, Work Zone

Verbal analysis of renovation investment strategy of old town

Leonas Ustinovicius, Dmitry Kochin, Vladislav Kutut, Galina Shevchenko
Pages 397-410

In project development it is hardly possible to get exhaustive and accurate information. As a result, the situations occur, the consequences of which can be very damaging to the project. Inaccurate evaluation of the strategy related to capital investment and project implementation is one of the reasons why such estimates ...

Keywords: Strategy, investment, efficiency, assessment, multi-attribute decision making, classification.

A real time building energy effectivenss assessment model

Min Wu, Daniel C.W. Ho
Pages 411-421

While building provides shelter for human being, the previous models for assessing the intelligence of a building seldom consider the responses of occupants. In addition, the assessment is usually conducted by an authority organization on a yearly basis, thus can seldom provide timely assistance for facilities manager to improve and ...

Keywords: Real-time, energy consumption, building, assessment

Preliminary study on the automatic lessons-learned file generator

Wen-Der Yu, Yu-Teh Wei, Shen-Jung Liu, Pei-Lun Chang
Pages 422-428

Lessons-learned file (LLF) is commonly adopted to retain previous knowledge and experiences for future use in many construction organizations. Current practice in capturing LLF is mainly through the costly and time-consuming manual processes conducted by the construction engineers or managers. Moreover, many construction knowledge accumulated from previous projects is berried ...

Keywords: Text mining, lessons-learned, corpus, knowledge management

Web-based biometric mouse intelligent system for analysis of emotional state and labour productivity

E. Zavadskas, A. Kaklauskas, M. Seniut, G. Dzemyda, S. Ivanikovas, V. Stankevic, C. Simkevicius, A. Jaruševicius
Pages 429-434

This paper describes the Web-based Biometric Mouse Intelligent (WBMI) System developed by the authors for measuring and analysis of user’s emotions and labour productivity with a biometric mouse. The research included development of the WBMI System, which works in the background and is able to assess user‘s emotional state and ...

Keywords: Biometric Techniques, Web-based, Biometric Mouse, Intelligent System, Emotional and Labour Productivity Analysis, Subsystems, Historical Information

Automatic 3D modeling development and application for hydraulic construction

Po-Han Chen, Nguyen Thi Lan Truc
Pages 435-439

Nowadays, the application of 3D models is increasing in almost every field, especially the AEC (Architecture, Engineering, and Construction) industry. Most 3D models are generated through human manipulation with the use of CAD software like 3D Max, AutoCAD or Maya. These software packages are very efficient in 3D modeling, but ...

Keywords: Automatic, 3D modeling, VisualLISP, sluice

Computer-aided visual communication for way-finding in emergency in indoor environment

Po-Han Chen, Nguyen Thi Lan Truc
Pages 440-446

Effective and rapid finding a way out in emergency is always a problem for occupants who get trapped in indoor environment such as inside buildings or vessels. In such a case, rescuers often rely on emergency signs or verbal communication to direct trapped people to the exits. However, many problems ...

Keywords: Virtual Reality, Augmented Reality, Indoor Environment, Visualization

Stochastic scheduling with multiple resource constraints using a simulated annealing-based algorithm

Po-Han Chen, Seyed Mohsen Shahandashti
Pages 447-451

This paper proposes a new algorithm using Simulated Annealing (SA) for stochastic scheduling. Stochastic effects are added with nondeterministic activity durations. Simple simulated annealing can not properly handle such a complex problem so an improved version is produced and utilized within the algorithm. Generally, the availability of resources is not ...

Keywords: Stochastic scheduling, simulated annealing, Monte Carlo method, multiple resource constraints

Dynamic prediction of project success using evolutionary support vector machine inference model

Min-Yuan Cheng, Yu-Wei Wu
Pages 452-458

The purpose of construction management is to successfully accomplish projects, which requires a continuous monitoring and control procedure. To dynamically predict project success, this research proposes an Evolutionary Support Vector Machine Inference Model (ESIM). ESIM is developed based on a hybrid approach that fuses support vector machine (SVM) and fast ...

Keywords: Project management, Predictions, Support vector machines, fast messy genetic algorithm

Hybrid advisory systems and the possibilities of it usage in the process of industrial flooring repairs

Marcin Gajzler
Pages 459-464

It is very often the case that the units responsible for the maintenance of the building have to repair industrial flooring. The large number of available materials and technologies as well as some other factors, make it necessary to use tools which would help to make good decisions. Hybrid advisory ...

Keywords: Advisory systems, hybrid model, industry flooring repairs

External web services for construction sector SMEs

Rimantas Gatautis, Elena Vitkauskaite
Pages 465-469

Nowdays construction sector SMEs lack of e-business solutions. Paper reflects finding of e-NVISION project evaluating SMEs need for external services and providing decription of proposed Company/Supplier Information Retrieval Service, Supplier/Company Discovery Service, Tender Configurator, Procurement Configurator, Service for the Location of Services, Service Registry, Connector to EU Public Tender Service ...

Keywords: Construction sector, SMEs, External web services

Cost estimation methodology using database layer in construction projects

Kyeong Jin Han, Hyun-Soo Lee, Moonseo Park, Sae-Hyun Ji
Pages 470-475

Recently, as the scale, structure, capacity and use of buildings are more complicated in construction projects, it is more difficult to estimation project’s costs. Because its project’s scale is much bigger than any other project’s one and total project cost is concluded after project is finished, it is important to ...

Keywords: Cost estimation, Cost database, Influence factor, CBR, Regression

A study on the development of highway facility information library system

Seong Y. Jeong, Jin U. Kim, Seung S. Yang
Pages 476-482

With the advancement of information technology, various public building maintenance and management systems, such as BMS, HMS, FMC, and KOROMBUS, have been developed. The developed systems enhance safety on highway facilities and efficiency of highway facility maintenance process. At the same time, the importance of exchanging and sharing highway facility ...

Keywords: Highway information, facility management system, information library, XML schema standard

IT applications in polish construction sector

Oleg Kaplinski
Pages 483-489

The paper presents a review of problems of usefulness of IT solutions on offer in construction sector. Universal development trends in IT are compared with conditions and capabilities of construction market in Poland. Shortcomings of proposed IT solutions for construction industry, as well as conditions for IT implementation are presented. ...

Keywords: Evolution of IT, saturation in the IT tools, construction management

Two-staged early cost estimation for highway construction projects

Du Yon Kim, Byoungil Kim, Seung Heon Han
Pages 490-495

The quality of early cost estimates is critical to the feasibility analysis and budget allocation decisions for public capital projects. Various research have been attempted to develop cost prediction models in the early stage of a construction lifecycle. However, existing studies are limited on its applicability to actual projects because ...

Keywords: Early Cost Estimate, Highway Construction Project, Case-based Reasoning, Regression Tree, Quantity-based model

Virtual 3D modeling for optimized bridge construction process

Changyoon Kim, Hyoungkwan Kim, Tae Kwun Park, Moon Kyum Kim, Changwan Kim
Pages 496-499

Over 50% of Korean government construction projects were reported to have been delayed over two years by frequent design changes. These problems are originated from the dynamic and uncertain characteristics of construction projects, such as unpredictable design changes. In particular, civil engineering facilities such as large-scale cable-stayed bridges are complex ...

Keywords: Cable-stayed Bridge, 4D CAD, Operation 4D, Process Optimization, 3D Model, Virtual Process Model

Total LCC and probabilistics

Olavi Tupamäki
Pages 500-506

To support sustainability in the Construction and Real Estate Cluster - CREC, this paper describes the ongoing development towards Total LCC to cover not only the initial capital and direct future costs of a building or other constructed assets but also externalities and intangibles (occupational, locational, environmental and societal costs), ...

Keywords: Sustainable, Life cycle costing - LCC, Monetarisation, Discounting, Probabilistic

Automated processing of subcontractor work performance data to improve the quality control and support the subcontractor selection process

Tatjana Vilutiene
Pages 507-514

The paper presents the research aimed to find the way for efficient monitoring and control of subcontractor performance in large construction projects. As a result the procedure for recording and processing the nonconformities is proposed. Procedure consists of the following stages: the identification of nonconformity (defect, work performed is at ...

Keywords: Sub-contractor; Performance evaluation; Monitoring; Quality control; Data collection; Nonconformity

An intelligent approach for managing materials purchasing in the RMC industry

Min Wu, Steve Rowlinson
Pages 515-520

A model for comparing the inventory costs of purchasing under the economic order quantity (EOQ) system and the just-intime (JIT) order purchasing system in existing literature concluded that JIT purchasing was virtually always the preferable inventory ordering system especially at high level of annual demand. By expanding the classical EOQ ...

Keywords: EOQ, JIT, Multi-agent system, control

Fast innovation of construction technologies with computer aided innovation tools

Wen-der Yu, Chih-Ming Wu, Wei-Chih Lien
Pages 521-527

Innovation of construction technologies have been slow compared with other industries due to lack of fast innovation tools and systematic approach. This paper presents the preliminary result of a recent work on development of fast innovation method for construction technologies, namely Systematic Technology Innovation Procedure (STIP), in Chung Hua University, ...

Keywords: Construction technology, innovation, TRIZ, patent analysis

Reasoned decisions in construction materials selection

Edmundas Kazimieras Zavadskas, Vaidotas Trinkunas, Arturas Kaklauskas
Pages 528-532

The significant part of the constructions' value consists of construction materials price. Thus proper selection of construction products has significantly impacted on construction effectiveness. With the aim of using financial resources for the construction effectively, it is very important that well considered and reasonable decisions should be made regarding the ...

Keywords: Construction materials selection, reasoned decisions, decision support, real time system

Multiple-Criteria Interactive Procedure in Project Management

Tomasz Blaszczyk, Maciej Nowak
Pages 533-540

While constructing project’s schedule three criteria must be considered: time, cost, and scope. Additionally risk related to all that criteria also has to be taken into account. Thus, project planning problem can be defined as a multiple-criteria decision problem under risk. In the paper a project scheduling problem is analyzed. ...

Keywords: Project planning, Multi-criteria decision aiding, Interactive approach, Simulation

Multi-objective optimization of road design alternatives with an application of the moora method

Willem Karel M. Brauers, Edmundas Kazimieras Zavadskas, Friedel Peldschus, Zenonas Turskis
Pages 541-548

Multi-objective analysis is a popular tool in many economic, managerial, constructional, etc. problems. The objective of this research is to develop and implement a methodology for multi-objective optimization of multi-alternative decisions in road construction. After a rough overview of multi-objective decision support for assessment of road design alternatives multi-objective optimization ...

Keywords: Road design, alternative, multi-objective optimization, MOORA method

Streamlining the data transformation process for construction projects via building information modeling

Yi-Jao Chen, Chung-Wei Feng
Pages 549-558

Information processing is critical to the successful development and execution of a construction project plan. Currently, Building Information Modeling (BIM) has been widely used in representing the physical and functional characteristics of design and construction. However, in order to use BIM effectively in construction project planning, more construction knowledge should ...

Keywords: MD CAD model; Project planning; Building information modeling

Benchmarking for construction management process reengineering

Min-Yuan Cheng, Ming-Hsiu Tsai, Wiraputra Sutan
Pages 559-565

Benchmarking philosophy was applied to construction management process reengineering so that process managers can reengineer processes by learning the best-practice company’s process. For this purpose, this paper addressed the process adaptability evaluation method to assist managers determining the best-to-learn process from the best-practice companies. By using the proposed method, the ...

Keywords: construction management process, reengineering, benchmarking, process similarity, trend model.

Variable neighborhood simulated annealing method and application for design

Gražvydas Felinskas, Leonidas Sakalauskas
Pages 566-572

In this paper we discuss about production scheduling. In manufacturing industry, efficient methods to solve resource constrained scheduling problems are needed. The aim is to find such schedule, which would meet the requirements of job priority relations, resource constraints, minimizing it by some criteria. In many cases this criterion is ...

Keywords: Resource Constrained, Schedule Optimization, Simulated Annealing, Variable Neighborhood.

Using the md cad model to develop the time-cost integrated schedule for construction projects

Chung-Wei Feng, Yi-Jao Chen
Pages 573-584

This paper presents a work-item-based scheduling system that employs MD CAD model, Object Sequencing Matrix (OSM), and Genetic Algorithms (GAs) to generate the time-cost integrated schedule for construction projects. Consisting of MD CAD objects, the MD CAD model ensures the consistency and efficiency of information processing and integration in project ...

Keywords: MD CAD model; Construction schedule; Genetic Algorithms (GAs)

Determination of rational method for resolution of disputes with the help of multi-criteria negotiation decision support system for real estate

Arturas Kaklauskas, Violeta Kersuliene, Vita Urbanaviciene
Pages 585-591

There are quite many researches dedicated to application of Internet based decision support systems for solution of various tasks of construction process, but there is a lack of feasibility studies and practical application to solve legislative tasks. In order to assess dispute resolution methods of economically, socially and/or from other ...

Keywords: Dispute resolution, decision support system

Evaluation of pms in Korea using PCM method

Je-Won Kim, In-Kyoon Yoo, Koji Tsunokawa
Pages 592-597

As the backbone of national transportation, sharing more than 90% of all domestic transportation, roads in Korea have been extended drastically in their lengths since highway construction was triggered in the early 1970s. Among various road components, pavement has a direct impact on the ride comfort of road users. As ...

Keywords: Pavement Management System, Project Cycle Management, Project Design Matrix, Objective Verifiable Indicators

Monte Carlo simulation with exact analysis for stochastic pert networks

Zdzisław Milian
Pages 598-603

This paper deals with one of methods for estimating the probability distribution of the project completion time in stochastic PERT network. This method combines Monte Carlo simulation with exact analysis. The exact probability distribution for a subnet is used to improve an estimator of probability distribution for larger networks. In ...

Keywords: PERT network, control variates, exact distribution

Decision support in analysis of construction contracts

Sigitas Mitkus, Eva Trinkuniene
Pages 604-609

Preparation of an agreement has a great influence on economic success of both parties and on their behaviour in order to increase their profits and to protect themselves against possible loss. It is important to use technological innovations in construction contracting. Even when the construction contractor is selected and the ...

Keywords: Decision support systems, construction contracts, multiple criteria evaluation.

Flexibility implementation in construction process engineering

Jerzy Paslawski
Pages 610-615

The disturbances of processes in progress are in construction production engineering basic problem making difficult planning both under in relation to time, as and costs. The conception of introduction of flexibility came into result of observation of problems alongside realization of runways, the roads of circling, customs terminals, driveway as ...

Keywords: flexibility management, advisory system, construction process, construction engineering

Application of building information modelling and construction process simulation ensuring virtual project development concept in 5D environment

Vladimir Popov, Darius Migilinskas, Virgaudas Juocevicius, Saulius Mikalauskas
Pages 616-624

With the growth of information technologies in the field of construction industry over the last years, numerical building information modeling and process simulation has evolved to a fully accepted and widely used tool for project life circle management. A growing diversity between disciplines, participants, tasks, tools and events while project ...

Keywords: information technologies in construction industry, building information modeling, project life circle management, virtual project development.

Application of digital automatic levels and impact of their accuracy on construction measurements

Donatas Rekus, Vladislovas Ceslovas Aksamitauskas, Vytautas Giniotis
Pages 625-631

Digital automatic levels are a precise instruments used for precise leveling. Operation of digital levels is based on the digital processing of video indications of a coded staff. At the beginning of measurement a visual pointing of the instrument into the surface of leveling meter is performed. After that the ...

Keywords: coded staff, digital leveling, levelling error

Linear electric drives for constructional purposes

Roma Rinkeviciene, Algimantas Juozas Poska, Alvydas Slepikas
Pages 632-637

The paper discusses designing, modeling and application of electric drives with linear induction motors for constructional purposes: high voltage line fault localizing and shunting system of power supply for site, application of thyristors to shunt phase fault, horizontal transport systems with linear electric drives of constructional equipment for transportation of ...

Keywords: Linear induction drive, circuit-breaker, horizontal transportation systems, vertical transportation systems, dynamics of linear induction drives.

Development of time couplings method using evolutionary algorithms

Magdalena Rogalska, Wojciech Bozejko, Zdzislaw Hejducki, Mieczysław Wodecki
Pages 638-643

The article presents the results of a computation experiment in which a genetic algorithm (GA) and a hybrid evolutionary algorithm (HEA) were used. The respective results are compared for an objective function describing employment level regularity. It has been demonstrated that evolutionary algorithms can be used for optimizing demand for ...

Keywords: evolutionary algorithm, genetic algorithm, time coupling method TCM

Decision support model using the adaboost algorithm to select formwork systems in high-rise building construction

Yoonseok Shin, Dae-Won Kim, Sung-Woo Yang, Hun-Hee Cho, Kyung-In Kang
Pages 644-649

Appropriate selection of a formwork system is a crucial factor in successfully completing any high-rise building construction project. However, in practice, the selection of an appropriate formwork system has depended mainly on the intuitive and subjective opinion of practitioners with restricted experience. Therefore, in this study, a decision support model ...

Keywords: formwork system, adaptive boosting (AdaBoost), artificial neural network (ANN), decision support model, high-rise building

Multi-attribute assessment of the asphalt mixing plants

Henrikas Sivilevicius, Edmundas Kazimieras Zavadskas, Zenonas Turskis
Pages 650-655

Multi-attribute methods in road construction can be used on the national, organization and project levels. However, most of assessment methods are seeking to find how to make the most economic construction decisions, and most of all these decisions are intended only for economic objectives. Computerised Asphalt Mixing Plants (AMP) are ...

Keywords: Asphalt mixing plant, quality, attribute, assessment, additive

Automated evaluation of alternative solutions of building design

Jonas Saparauskas
Pages 656-663

The purpose of this article – is to create theoretical model in order to enable in automated manner to compare different solutions of building, its part or structure design and to select the best alternative under specific circumstances. Summarizing variant design theory and practice applications in Lithuania and abroad, evaluation ...

Keywords: Automated evaluation, theoretical model, facade system, multiple criteria evaluation methods

Automated standard work time development in construction

Romualdas Tamosaitis
Pages 664-669

This article deals with a new method of forecasting standard work time for specialized worker flows. The methodology of this article is based on the use of information technologies and linear regression analysis. The main advantage of this method is that it allows the user to establish standard work time ...

Keywords: Forecasting, virtual, standard time, regression analysis, civil engineering

Simulation of technological processes using knowledge-based sequences

Romualdas Tamosaitis
Pages 670-675

Quick simulation of all viable execution approaches (also known as variants) for a given technological process is very important to the automation of construction processes, particularly in real time decision-making situations. The article deals with two methods of simulating technological processes using knowledge-based sequences. The formation of execution approaches in ...

Keywords: Sequences simulation, civil engineering, knowledge-based method

Modeling of contractor selection taking into account different risk level

Jolanta Tamošaitien, Zenonas Turskis, Edmundas Kazimieras Zavadskas
Pages 676-681

This paper presents contractors’ assessment and selection based on the multi-attribute methods in a competitive and risky environment. The model is based on a multi-attributes evaluation of contractors, the determination of their optimality criterion values calculated according to Hodges-Lehman rule. The proposed model could further be applied to construction operations. ...

Keywords: Attributes, contractor, risk level, Hodges-Lehmann rule

Multiattribute analysis of investment risks in construction

Leonas Ustinovichius, Zenonas Turskis, Galina Shevchenko
Pages 682-687

The risk of investment in a construction objects is an important decision leading to the project success. The decisionmaking process, based on the established risk assessment principles expressed in linguistic terms, requires qualitative judgement and experiential knowledge of the construction experts. Presented structured and realistic model deals systematically with different ...

Keywords: SAW, investment risks, classification, multiattribute analysis

A study of preproject planning and project success using ann and regression models

Yu-Ren Wang, G. Edward Gibson, Jr.
Pages 688-696

It is long recognized by the industry practitioners that how well preproject planning is conducted has great impact on project outcome. Through industry project data collection and model analysis, this research intends to investigate the relationship between preproject planning and project success. In early stage of the project life cycle, ...

Keywords: Preproject Planning, Project Success, Regression Model, ANN Model

Application monte carlo method on simulation of disaster prevention and protection in community

Kuo-Chung Wen, Sheng-Kai Huang
Pages 697-707

This research using the Monte Carlo Method needle to the disaster to cause disaster damages in the discussion community to guard against the disaster relief plan and the disaster reciprocity, provides recognizes the community dangerous region the spatial distribution. The research to the community guards against the disaster relief spatial ...

Keywords: Monte Carlo Method, Disaster Prevention and Protection, Community, Risk Evaluate

Errors of calculations in M/M/1/FIFO/N/F model with limited duration of shift

Andrzej Wieckowski, Mirosław Skibniewski
Pages 708-716

The popular models developed under of queueing theory describe how systems function within an infinitely long time interval. Yet, a real work is executed within the limited time intervals of work-shifts. The study was performed on the basis of one example involving excavations made by one excavator and the transportation ...

Keywords: Queueing Theory; Work-Shift; Construction.

Multi-criteria decision support system of intelligent ambient assisted living environment

Edmundas Kazimieras Zavadskas, Jurga Naimaviciene, Arturas Kaklauskas, Mindaugas Krutinis, Povilas Vainiunas
Pages 717-724

A lot of complicated optimisation tasks are solved with the help of computer technologies in the information age. It is necessary to solve the task of a multi-criteria selection and optimisation in order to reach the optimal selection and intercoordination of the elements of Intelligent Ambient Assisted Built-up Living (in ...

Keywords: ambient assisted living environment; multi-criteria analysis; decision support system

Model for multiple criteria analysis of integrated intelligent and built-up ambient assisted living environment

Edmundas Kazimieras Zavadskas, Mindaugas Krutinis, Arturas Kaklauskas, Povilas Vainiunas, Jurga Naimaviciene, Lina Povilaityte, Laura Tupenaite
Pages 725-730

Creation of healthy lifestyle conditions and guarantee of indoor life quality is one of the most relevant issues related to research of indoor microclimate and our environment. Guaranteed indoor life quality would improve productivity, as well as reduce morbidity and healthcare expenditures. Intelligent assisted residential environment embraces technological, organizational and ...

Keywords: Built Environment, Ambient Assisted Living, Multiple Criteria Analysis, Model

Multi-criteria optimization software LEVI-4.0 a tool to support design and management in construction

Edmundas Kazimieras Zavadskas, Friedel Peldschus, Zenonas Turskis
Pages 731-736

Multi-criteria decision making is used in many areas of human activities. Criteria can to be qualitative and quantitative. They usually have different units of measurement and different optimization direction. The normalization aims at obtaining comparable scales of criteria values. In the new program LEVI 4.0 version the following normalization methods ...

Keywords: Software, of two-sided problem, game theory, normalization, logarithmic, multi-criteria, a wall

Managerial decisions about alternative automatic equipment for disaster management in construction

Edmundas K. Zavadskas, Egidijus R. Vaidogas
Pages 737-743

The choice among alternative automatic equipment used to protect the construction site against major accidents is considered. Methods of multi-attribute selection are suggested to implement the choice. This includes attributes accounting for the possibility of failure of the automatic equipment (safety-related attributes). The epistemic uncertainty in the safetyrelated attributes is ...

Keywords: Disaster, automatic equipment, failure, multi-attribute selection, sprinklers, ventilation

A Session-Based Collaboration Environment for BIM-Based Project Life-Cycle Management

Sangyoon Chin, Su-Won Yoon, Tae-Hong Shin, Ghang Lee, Cheolho Choi, Soon-Wook Kwon
Pages 745-750

It has been recognized that a system that facilitates efficient communication and interaction is critical in order to improve coordination between AEC project participants. Various research literatures show that migration of conventional AEC work processes, which have relied heavily on two-dimensional drawings, to more convergent processes that share a single ...

Keywords: BIM, session-based CPLM (Construction Project Life-cycle Management), collaboration

Modelling Country Reliability in Public Private Partnership Infrastructure Projects

Matthias Ehrlich, Robert Tiong Lee Kong
Pages 751-758

Most Public Private Partnership (PPP) infrastructure projects especially in emerging markets carry a high amount of economic foreign exchange (FX) exposure. Risk mitigation instruments (RMI) are frequently implemented by governments to compensate FX loss in the Special Purpose Company (SPC). The experience of many investors is an underestimation of the ...

Keywords: public private partnership, risk mitigation, foreign exchange, cash flow modelling

The Effectiveness of Diversification of Construction Enterprise Activities

Romualdas Ginevicius, Valentinas Podvezko, Algirdas Andruskevicius
Pages 759-763

The dynamic transformation of the environment, as well as growing competition make enterprises search for various methods and ways of adapting themselves to the complicated and changing operating conditions. One of these methods is the expansion of the scope of enterprise activities or diversification. Investigations focusing on the problem of ...

Keywords: efficiency of activities, diversification, indices

Situational Influences on Quantity Surveyors When Facing Ethical Dilemmas

Christabel M. F. Ho
Pages 764-767

This paper focuses on analyzing the impact of interest considerations of quantity surveyors on their case-specific responses, which is a direct investigation of situational influences upon decisions towards ethical dilemmas. Hypotheses are tested by rigorous statistical techniques such as Multivariate Analysis of Variance and Hierarchical Regression Analysis. It is found ...

Keywords: professional ethics, ethical dilemmas, interaction effects, ethical training

Using Data Mining to Explore the Deterioration Factors of Reinforced Concrete (RC) Highway Bridges in Taiwan

Rong-Yau Huang, I-Shiang Mao, Hao-Kang Lee
Pages 768-781

Information about the factors that lead to the deterioration of bridges is essential for bridge maintenance. Pinpointing what these factors are will certainly enhance the effectiveness of bridge management. However, a review of the literature reveals that such deterioration factors are usually determined from expert opinion. In other words, there ...

Keywords: bridges, deterioration, factor, data mining, rough set
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Assessment of Air Pollution PM10 in the City of Vilnius and Its Influence on Life Quality

Agne Matuliauskaite, Vilma Vetaite, Arturas Kaklauskas
Pages 782-788

The authors of this paper participated in two Lincoln Institute of Land Policy Fellowships. One of the goals in the above projects was to develop and to improve a Model of Real Estate Market Value, Pollution and Health Effects Analysis Decision Support System (RE-MVPHE-DSS). The article also introduces a complex ...

Keywords: model, particulate matter, air quality measurements, air pollution control, PM10 influence on health

Methodology of Risk and Uncertainty Management in Construction’s Technological and Economical Problems

Darius Migilinskas, Leonas Ustinovicius
Pages 789-795

Uncertainty and risk are close related both as threats associated with indefinite source and consequences during the implementation of construction projects. The article deals with through analysis of possibilities to reduce uncertainty solving technological and economical problems. The methodology is presented as step by step tool for risk and uncertainty ...

Keywords: uncertainty, risk, decision making, computer-aided modelling, automation in construction

Points on Construction

Shigeomi Nishigaki, Katsutoshi Saibara, Fujio Matsuda, Hiroshi Ogura
Pages 796-803

"Points On Construction (POC)" is a site network tracking system based on a platform system of collaborative intelligent construction management that has two holds. One is a back office management system in maintenance and service applications for construction machinery. Another is a comprehensive, web-enabled management system to support day-to-day construction ...

Keywords: points on construction, collaborative intelligent construction management, machine management system, construction management system

Approaches For Performance Measurement Of Urban Renewal Megaprojects

Heedae Park, Du Yon Kim, Seung Heon Han, Sang H. Park
Pages 804-809

Urban renewal projects have been increasingly undertaken in many nations to cover diverse functions through rehabilitating complex spaces vertically and horizontally. Urban renewal projects usually require a great amount of resources and interrelationships which inherently involves various participants and stakeholders from both public and private sectors. Hence, urban renewal projects need to be ...

Keywords: Megaproject, Performance Measurement, Program Management, Urban Renewal

Assessment Of Lithuanian Energy Generation Companies' Infrastructure Combined With Sustainable Environment Principles

Jurat Šliogerien, Mindaugas Krutinis
Pages 817-827

The main task of the energy sector of today is reliable generation of safe, ecologically clean, effective and economically perspective energy. This objective may be implemented by forming the energy sector management policy, by changing and defining management and operational costs, and by assessing the impact of energy infrastructure on ecology. Therefore, the ...

Keywords: Energy Generation Companies, Sustainable Environment, Multiple Criteria Decision Support

A Study Of Ambient Noise Improve Of Communities Elementary School: Noise Mapping Approach

Kuo-Chung Wen, Kuo-Chung Wen
Pages 828-835

In recent years of Taiwan, the city turns a phenomenon development quickly, causing the city population increase suddenly. The usage of various vehicle and machine equipment increases increasingly, making the situation quality of the city noise pollution turn worse increasingly. Be located the campus in the city and it closes to community ...

Keywords: Ambient Noise, Communities Elementary School, Spatial Information Technology

Reaching For The Skies: Time And Turbulence In Digital Technologies And Practices

Jennifer K. Whyte
Pages 836-847

This research examines dynamics associated with new representational technologies in complex organizations through a study of the use of a Single Model Environment, prototyping and simulation tools in the mega-project to construct Terminal 5 at Heathrow Airport, London. The ambition of the client, BAA, was to change industrial practices reducing project costs and ...

Keywords: Digital infrastructure, time, technology, visual representations, organizational practices, coordination

Model For An Integrated Analysis Of Distance Learning Quality: The Case Of Lithuania

Arturas Kaklauskas, Edmundas Kazimieras Zavadskas, Vaidotas Trinkunas
Pages 849-853

Globalisation, constantly increasing amounts of information, rapid change of society, segmentation—these are the challenges which boost the importance of social and cultural role of education considerably. The society is able to react to these challenges only when the education system is modern, flexible and open to constant change and new ideas. The response ...

Keywords: Distance learning, quality evaluation, reasoned decisions, decision support

Automation And Robotics In Post Disaster Waste Management: Post Tsunami Sri Lanka

Gayani Karunasena, Gayani Karunasena, Richard Haigh
Pages 854-857

In recent years, automation and robots have been applied at different domains to coordinate collaborative behavior in distributed systems and providing a powerful basis for proactive applications of complex nature, specially in large scale disasters requiring complex tasks to be performed by groups under extreme time and resource constraints. Sri Lanka is ...

Keywords: Automation and Robotics, Post disaster, Waste Management, Tsunami

Minimising Content Stagnation In Construction Education: Automating The Content Update Through A Shared Web Repository For Distance Construction Education

Kaushal Keraminiyage, Dilanthi Amaratunga, Richard Haigh, Arturas Kaklauskas
Pages 858-863

With the use of modern information and communication technologies the distance education in construction has become easier and effective than ever before. However, the focus of the most of the construction distance education systems in place today is the need of students who are geographically prevented from attending the programmes hosted by ...

Keywords: construction distance education, web technologies, shared repositories, content sharing

Sustainable Management of Construction Labour

Irene Lill
Pages 864-875

The construction industry of Estonia has experienced a period of economic growth which has started to turn down for now and the output forecasts state that this recess will continue. While the availability of unskilled workforce will be growing, the lack of high quality skills in the labour market is becoming even ...

Keywords: Sustainability, labour management strategies, simulation modelling, multiskilling, workforce