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Alain Zarli, Abdul Samad (Sami) Kazi, Matti Hannus, Marc Bourdeau, Anders Ekholm, Ronny Andersson

A strategic and comprehensive vision for future R&D in construction ICT

Abstract: The tremendous development in the past ten last years of the Internet and ICT at large (whether it be in general technologies like semantic modeling, knowledge mining, RFID or mobile technologies, or domain-oriented ones like e-commerce, collaborative spaces, digital mock-ups, etc.) has opened a large spectrum of potential applica-tions of ICT in the Construction sector. The real adaptation and deployment of ICT in Construction has indeed just started, and there is a high need to organize and plan future R&D actions for Construction ICT, while at the same time to better evaluate the benefits and thereby convince Construction actors. This is the role of the Strat-CON and BICT projects, respectively, which are introduced in this article in terms of their aims and major results.

Keywords: strategic research agenda, construction processes & industrialisation, ICT

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Series: w78:2007 (browse)
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Anders Robertson, Rogier Jongeling, Anders Ekholm, Thomas Olofsson, Alain Zarli

Investigations in the BICT project of state-of-the-art ICT for industrialization of house building processes

Abstract: The research presented here is part of a project named BICT, ”Evaluation of benefits of ICT for the indus-trialization of project and product processes in the construction industry”. Its overall objective is to establish a mutual understanding between the construction industry and R&D actors of the needs and possibilities of ICT. The project is a cooperative effort between Swedish and French researchers and industry representatives within the EraBuild program. It includes an investigation of the processes and ICT tools in a representative house building project, together with a study of the State-of-the-Art of ICT for immediate, short and medium term uptake. This paper presents the main results of the State-of-the-Art study with specific focus on: - Visualization and coordination using digital mock-ups of 3D models; - Model based quantity take-off; - Integration of applications for product design; - Reuse of experience based knowledge. The presented study concludes that the use of integrated 3D applications must be introduced early in the project lifecy-cle in order to pave the way for the use of object-oriented information in downstream processes. This requires common standards for 3D based deliveries developed in cooperation between industry and R&D actors through joint analyses of actual information management both in industrialised partnering-like processes, and fully industrial building proc-esses.

Keywords: construction processes, house building, industrialization, ICT, digital mock-ups, model based quantity take-off, integration of applications

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Annie Guerriero, Sylvain Kubicki, Gilles Halin

A model-based approach to develop a dashboard tool integrating trust concepts in AEC

Abstract: In the Architecture Engineering and Construction (AEC) sector, cooperation between actors is essential for project success. During the building construction activity, the organization of actors is both hierarchical, transver-sal and adhocratic. Moreover, the quality of cooperation is fundamentally influenced by the management of interde-pendences between tasks and between actors. In this context, the development of new assistance tools has to integrate these heterogeneous parameters relative to coordination and trust. We inspired about Model-Driven Engineering ap-proach to propose a models infrastructure integrating cooperation context modelling and views modelling. We develop on the basis of this infrastructure a dashboard dedicated to the building site coordinator. This tool currently in design stage provides indicators about the trust in the good progression of activity. Moreover, it would enable context under-standing by combining these indicators in a multi-views interface. Thus, the user could navigate in the context using multiple views like meeting report, planning, performance evaluation, or 3D mock-up, and obtain more information about a particular indicator.

Keywords: building construction, cooperation, coordination, trust, process modelling, dashboard, model-driven en-gineering

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Delcambre B

Construction at the dawn of virtual images and multimedia

Abstract: Computerisation of the building sector is going ahead in leaps and bounds. It has already made an enormous difference to the day-today life of the building trades and improved the quality of structures. Huge progress in the presentation of data combined with a spectacular increase in computer power is opening up new possibilities. Multimedia, which corresponds far better to the building trades, will provide innovative, user-friendly applications. With the help of digital mock-ups, it will be possible to share data and pool viewpoints during the design stage of what can be described as the (( virtual project n. This tremendous evolution is already well underway.

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Series: ecce:1997 (browse)
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Dunston, Phllip; McGlothlin, James; and Arns, Laura

An Immersive Virtual Reality Mock-Up For Design Review Of Hospital Patient Rooms

Abstract: Having identified a scarcity of evidence-based design principles and practices for patient-centered healthcare environments, researchers at the Purdue University Regenstrief Center for Healthcare Engineering have developed a Virtual reality (VR) mock-up of a hospital patient room to explore its efficacy for identifying how physical environment and design elements impact behavior, processes and safety. The VR patient room mock-up is designed to have a high degree of interactivity to facilitate evaluation of the designed space as a “healing environment.” Positive feedback from healthcare practitioners regarding the mockup has motivated the Investigators to leverage their experience to create VR mock-ups for other hospital units and venues.

Keywords: CAVE, mock-up, design review, patient room, patient-centered design

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Series: convr:2007 (browse)
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Robert M. Leicht, Sonali Kumar, Moawia Abdelkarim, John I. Messner

Gaining End User Involvement through Virtual Reality Mock-Ups: A Medical Facility Case Study

Abstract: The use of construction mock-ups have become common practice to validate design and work throughconstructability challenges. The use of physical mock-ups offer significant benefits as a communication toolamongst the project team but must be balanced with a potentially large costs to construct. With the advent ofmany new virtual prototyping technologies, project teams now have the potential to perform mock-ups in virtualenvironments. This paper will present a case study of a 14,000 m2 (150,000 ft2) medical office constructionproject which used both physical and virtual mock-ups to allow the facility to meet end-user needs with minimalre-work during the on-site construction. The virtual mock-up was carried out using the Immersive ConstructionLab at Penn State to review a rendered model of single occurrence space in the facility. The paper willdemonstrate the end-user and construction team feedback about the virtual mock-up processes and the benefitsand challenges it presents.

Keywords: virtual mock-ups, BIM, End-user involvement, design review

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Full text: content.pdf (119,395 bytes) (available to registered users only)

Series: w78:2010 (browse)
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Suleiman Alsafouri and Steven K. Ayer

A Step-By-Step Procedure for Implementing Mixed Reality Visualization Interfaces in Design and Constructability Review Sessions

Abstract: In modern construction projects, architects, engineers, and designers use different methods of construction visualization to support the conceptualization and final appearance of design ideas. This includes the use of virtual Building Information Modelling (BIM) content, as well as physical mock-ups to support design visualization for decision-making prior to construction. Prior research has demonstrated a variety of benefits that BIM can provide for visualization. Mixed Reality (MR) may be able to offer some of the benefits of both purely physical mock-ups and purely virtual BIM walkthroughs. However, the prior studies used specific computing devices and MR applications for specific construction use-cases. The goals were to solve a specific problem, or to prove the concept that MR is possible for various uses. Therefore, it was necessary to develop the exact same MR environment that could run on different computing devices. This will allow for identification of the differences between different computing devices running the exact same MR environment. This paper presents a consistent methodology for leveraging existing BIM contents to generate marker-based MR environments on various commercially available computing devices. This study tests the methodology for development and validates it through successfully building and running the same MR environment on various devices. Additionally, challenges associated with implementing this visualization mode in design and constructability review sessions were highlighted. The research questions addressed include: 1) What are the steps needed for developing MR visualisation interfaces in design and constructability review sessions? and 2) What are the possible constraints that may influence MR performance on different mobile computers? The conclusion from this study will help researchers better understand the process for MR implementation and the limitations in using this visualization environment. Additionally, it may help to expand the use of MR interfaces for different construction use-cases.

Keywords: Mixed Reality, Mixed Reality Markers, Design and Constructability Review Session, Construction Technology, and Construction Visualization

DOI: https://doi.org/10.24928/JC3-2017/0147

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Tulika Majumdar, Martin A. Fischer, Benedict R. Schwegler

Virtual Reality Mock-Up Model

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Series: w78:2006 (browse)
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