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Soubra S, Coudret F, Duchon J, Torguet P, Gobetti E

Virtual integrated design and construction

Abstract: "Construction projects involve a large number of both direct stakeholders (clients, professional teams, contractors, etc.) and indirect stakeholders (local authorities, residents, workers, etc.). Current methods of communicating building design information can lead to difficulties including : ? Client di-satisfaction, due to incomplete understanding of the planned construction and the length of the design and construction processes ; ? Functional inefficiencies of the completed facility which could have been designed out had the users been effectively involved in the design ; ? Re-work leading to waste of time and materials due to inaccurate initial work or clashes between components due to conflicting information. Recent surveys [e.g. Egan report, Design and Build Foundation report] show that significant value improvement and cost reduction can be gained by substantially integrated solutions being applied by project teams as a mean of reengineering the project process. In particular, their is considerable benefit to be gained by the integration of design and construction. Objectives The aim of this paper is to present the research carried out in the frame of the CAVALCADE (Collaborative Virtual Construction and Design) project, funded under the European ESPRIT programme HPCN domain. CAVALCADE’s goal was to develop a collaborative virtual prototyping system. Using a distributed architecture, the CAVALCADE system aims to support and enhance concurrent engineering practices therefore allowing teams based in different geographic locations to collaboratively design, test and validate shared virtual prototypes. Several industrial sectors were presented in the CAVALCADE consortium (construction industry, automotive industry, transport industry and aeronautical industry). Representatives of each of these sectors evaluated and reported on the use of CAVALCADE in their business. In this paper, the CAVALCADE system will be presented in details. Technical and organizational difficulties encountered during the project will be presented. Special emphasis will be put on the evaluations done for the participating industrial sectors and these evaluations will be compared to the specificities of the construction sector. As a conclusion, the objectives of new IST project DIVERCITY (Distributed Virtual Workspace for enhancing Communication within the Construction Industry) that will build, among others, on the results of CAVALCADE, will be presented and the modules to be developed (1. Client-briefing workspace, 2. Design review workspace, 3. Construction workspace) will be detailed. 1 CAVALCADE (Esprit project n°26285) started in January 1998. The project is to be finished by December 1999. 2 High Performance Computing and Networking 3 IST project n°13365 . The start date of the project is January 2000."

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Full text: content.pdf (1,117,713 bytes) (available to registered users only)

Series: w78:2000 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.communication (0.050265) class.strategies (0.045200) class.man-man (0.009804)
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Permission to reproduce these documents have been graciously provided by Icelandic Building Research Institute. The assistance of the editor, Mr. Gudni Gudnason, is gratefully appreciated


Stouffs R, Tunçer B, Sariyildiz S

Examples of web-based custom design in Dutch residential developments

Abstract: The Web offers the means to reach out to potential customers and clients. It enables the establishment of a communication link that allows designers to probe the preferences of their customers, and potential clients to be heard in the design process. It also serves as a communication platform for customers and other interested parties to share and express ideas and concerns. Opening up the design process to future stakeholders and other concerned parties is particularly accommodating in the aspiration to a consensus model, as is the case in Dutch architecture. We present two residential development projects in which the Web serves to reach out to customers and clients, and discuss additional techniques to strengthen and nurture their role in the design process.

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Full text: content.pdf (1,029,909 bytes) (available to registered users only)

Series: w78:2002 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.collaboration (0.086274) class.communication (0.027994) class.social (0.013538)
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Permission to reproduce these documents have been graciously provided by the Aarhus School of Architecture, Denmark. The assistnace of the editor, Prof. Kristian Agger, is gratefully aprecciated.


Sutrisna M, Proverbs D, Potts K, Buckley K

A Knowledge Based System for Valuing Variations in Civil Engineering Works: a User Centred Approach

Abstract: There has been much evidence that valuing variations in construction projects can lead to conflicts and disputes leading to loss of time, efficiency, and productivity. One of the reasons for these conflicts and disputes concerns the subjectivity of the project stakeholders involved in the process. One way to minimise this is to capture and collate the knowledge and perceptions of the different parties involved in order to develop a robust mechanism for valuing variations. Focusing on the development of such a mechanism, the development of a Knowledge Based System (KBS) for valuing variations in civil engineering work is described. Evaluation of the KBS involved demonstration to practitioners in the construction industry to support the contents of the knowledge base and perceived usability and acceptance of the system. Results support the novelty, contents, usability, and acceptance of the system, and also identify further potential developments of the KBS.

Keywords: civil engineering, knowledge based system, user interface, valuation of variations

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Full text: content.pdf (455,261 bytes) (available to registered users only)

Series: itaec:2004 (browse)
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Thomas Altenburger, Annie Guerriero, Alain Vagner, Benoit Martin

Toward Adaptive Context-Aware User Interfaces for Better Usability and Productivity in AEC Collaborative Tasks

Abstract: The Architecture, Engineering and Construction (AEC) sector gathers a wide range of stakeholders, roles and activities which may be performed in heterogeneous contexts. By “context”, we mean not only the environment and user’s particularities but also the “cooperation context” associated to the activity to be carried out. The activity in the AEC projects is highly collaborative, particularly uncertain and takes place in a continuously changing “cooperation context” (e.g. due to new plans, new stakeholders, problems on site, etc.). The activity is also characterized by a strong mobility (e.g. workers on the building site) which implies information availability issues. Therefore, we suggest in this paper considering new potential of context-aware technologies to support AEC business tasks. Interactive systems proposed for the sector do not usually address the usability issues implied by the various context changes. So, this paper introduces the use of Adaptive User Interfaces (AUI) for the AEC activity. AUI are particular context-aware applications capable of adapting themselves relevantly to the current context in order to better fit the ongoing task and users. To this purpose, it is firstly required to identify the particular AEC context properties and to characterize them. Based on a state of the art, we propose a classification of contextual information relative to the collaborative aspects. We then suggest reviewing AUI and focusing on their principles and capacity to improve visualization and interaction according to the user’s task. Many technical approaches exist such as the Model-Driven Engineer methods which we cover through a state of the art of AUI systems. Finally, we identify the potential usability and productivity benefits to apply AUI to common AEC tasks. For instance, we consider throughout this article, the cases of construction site meeting and inspection reporting. These two cases are good examples of context variability, both organizational and environmental.

Keywords: interface adaptation, context-awareness, collaborative work

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Series: w78:2010 (browse)
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Tse T C, Wong K D, Wong K W

Works project information standards for the Hong Kong construction industry

Abstract: Construction projects generate stacks of information throughout the entire life span of a project and particularly at the design and construction stages. With the state-of-the-art information technology, most of the information can be stored electronically using various software systems. However, there is a wide diversity of information standards which adversely affect electronic data interchange and software interoperability among stakeholders in a seamless manner. To tackle these problems, the Works Bureau of the Hong Kong Government has decided to establish the Works Project Information Standards (WPIS) and associated data infrastructures. This paper aims to provide an overview of the current major standards which are being adopted, and accordingly recommend the future research direction for the Works Bureau. The findings, evolved from the conceptualisation of a framework, indicate that web-based open-source industry specify standards including aecXML, bcXML and ifcXML would be the suitable WPIS. More importantly, it is identified that there are certain networks and organisations at overseas which are engaged in similar research projects. The development of WPIS should keep abreast with their work and dissemination.

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Series: w78:2003 (browse)
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Permission to reproduce these papers has been graciously provided by the University of Auckland. The assistance of the editor who provided the full texts and the structured metadata, Dr. Robert Amor, is gratefully appreciated.


Tsutomu Watanuki and Nobuyoshi Yabuki

Data Management Methods for a 3D Product Model in Graph Database

Abstract: In Building Information Modeling (BIM), a product model of a building includes huge data which is proceeded in its whole lifecycle. Many stakeholders need to share the product model on the Internet in order to work cooperatively. However, it is difficult to share the product model on the Internet because the amount of product model data is huge and has a very deep hierarchical structure. Thus, in this research, we propose data management methods to store and obtain data of product models. In these methods, Industry Foundation Classes (IFC) data is converted and stored in a graph DBMS classified as NoSQL, which stands for Not only SQL.Finally, good results have been obtained in queries from the graph database in which product models are stored. And we were able to extract representation data of a storey from a product model of a building which has 5 stories.

Keywords: BIM, Graph Database, NoSQL, IFC, Graph Theory

DOI: https://doi.org/10.24928/JC3-2017/0025

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Series: jc3:2017 (browse)
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W East, N Nisbet

Facility Capacity Analysis

Abstract: Many public owners maintain large of building requirements in standard criteria publications. These criteria represent the combined knowledge of building owners based on their experience over decades of working on such buildings. While this information, such as, room data sheets are used during the architectural programming stage, the project team cannot use these criteria later to ensure that the facility continues to meet its intended function into construction and operations. Without knowing the capacity of building spaces, there is no way for building owners to effectively manage their facility portfolio. As the delivery of building information models becomes more prevalent, tools are needed to allow project stakeholders to evaluate the validity of those models. This paper presents model for facility capacity analysis based on an open specification for the expression of facility criteria and the application of that criteria using light-weight building information modeling tools.

Keywords: Building Information Modeling, BIM, Industry Foundation Class Model, IFC, Code Checking, Criteria CheckingView Definition, MVD, Code Checking

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Series: w78:2011 (browse)
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W.H. Collinge, C.F. Harty, K. Liu & Y. Tang

Assessing organizational semiotics for IT systems design: improving information exchange processes across construction project stakeholders

Abstract: Construction projects are information-intensive collaborations between diverse collections of stakeholders and organisations. A recurring challenge for IT systems designers is to produce solutions better able to engage with the diverse informational requirements of varied construction industry professionals engaged on a construction project. This paper explores how organizational semiotics (OS) may be utilized in a construction project context in order to explore information exchange problems & issues prevalent in the domain. Organizational semiotics (OS) is the study of sign generation, exchange and interpretation in organizational contexts. It examines and explores how people and technologies interact and work together in the pursuit of business goals. OS tools may be used to develop and model IT systems which have a conceptual grounding in both technical (data-flow) and humanistic (behaviour) principles. We explore the potential of OS for developing new IT tools to mediate heterogeneous activities of information production and exchange across diverse stakeholders.

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Series: w78:2009 (browse)
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Wei Wu, Raja R. A. Issa

Application of VDC in Leed Projects: Framework and Implementation Strategy

Abstract: Virtual Design and Construction (VDC) generates multifaceted benefits in the Architectural, Engineering and Construction (AEC) industry. Stakeholders can achieve optimal balance between building performance and costs with use of integrated, multidisciplinary, virtual building models. The VDC models provide the project team with valid and reliable sources to achieve project goals in a heterogeneous industry environment. This paper investigates the application of VDC in complex and high performance building projects, such as LEED projects. As a new business paradigm, LEED has attracted substantial investment in the North American building market. Owners, architects, engineers, and contractors are all striving to embark on the LEED certification but oftentimes, they find the process confusing and cumbersome. The contributing factors are various but the technological and financial challenges are obvious. LEED certified buildings are expected to have superior building performance to conventional buildings in various aspects, i.e. energy efficiency, water conservation, and indoor environmental quality, etc. It is believed that application of VDC could help achieve compliance with the LEED criteria, and contribute to leveraging the LEED project delivery. The theoretical framework of such application is researched and proposed. Implementation strategies are delineated and recommendations are given to the AEC professionals to encourage adoption of VDC in future projects.

Keywords: VDC, BIM, LEED, integration framework

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Series: w78:2010 (browse)
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Whelton M, Ballard G, Tommelein I D

A knowledge management framework for project definition

Abstract: This paper proposes a knowledge management framework for project definition of capital facility projects. The conceptual framework emphasizes project-based learning and the creation of group knowledge in early phase project planning and design activity. The use of multi-disciplinary expertise in this phase of project development acknowledges the use of multiple decision frames by which stakeholders approach project solutions. This research views project definition as a collaborative decision-making process, and highlights the need for supporting group management techniques and technologies. Project definition is regarded as the phase of project development where exploration of alternatives creates innovative problem and solution definitions that allows maximum customer value generation to be developed. This paper proposes a management framework to support organizational and process interfaces within project definition. The model is based primarily on findings from recent research literature and on exploratory descriptive research. The model presents a process for project definition and supports group knowledge creation and management. The model bases its development on soft systems methodology to support group cognition, learning and creative solution generation. Collaborative group theory is incorporated into the model to support project definition. The framework builds on theoretical principles of lean design and construction

Keywords: client purpose, group knowledge creation, decision-making, learning, organizational cognition, project definition.

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Full text: http://www.itcon.org/2002/13 (available to registered users only)

Series: itcon:2002 (browse)
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