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Message development in the building process

Abstract: New communication media offer new opportunities to exchange information between participants in a building project. A case study was done of a specific building project from the viewpoint of a company that produces concrete floors. An executable simulation model was used to create a formal description of the information exchange process. The output of the simulation is an activity schema, a message exchange diagram and a list of messages. The schemata give insight about the information flow and are a resource for developing a strategy for the introduction of electronic communication. The messages serve as a starting point for selecting a standardized electronic message or developing a special one.

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Series: w78:1995 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.communication (0.022605) class.synthesis (0.022488) class.collaboration (0.015924)
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Permission to reproduce these papers has been graciously provided by the Stanford University, USA. The support of the editors, particularly Prof. Fischer is gratefully appreciated.


A Anderson, C S Dossick

Avatar-Model Interaction in Virtual Worlds Improves Distributed Team Collaboration through Issue Discovery

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Series: w78:2014 (browse)
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A Cemesova, Y Rezgui, C J. Hopfe

Possibilities and challenges created by a smart material in building performance simulation

Abstract: Smart materials are predicted to ‘revolutionise’ the A/E/C industry. They are supposed to enable a building to change colour, shape, size and opacity. However, past research shows that smart materials are still not used very often in engineering applications to their full potential. In this publication we advocate that materials should not be only chosen for simple properties such as visual, physical and insulating characteristics, but for capabilities such as being able to save/generate energy, store information, and to react to stimuli from their local environment. Therefore, this paper will research into the addition of SolaVeil to a window, its physical configuration and the possibility to model and analyse it through Building Performance simulation (BPS). This material is primarily designed to eliminate glare and redirect light. As a result it can reduce energy use caused by air conditioning and artificial lighting systems. This paper researches into the behaviour of SolaVeil in a computer simulation using two different case studies. The first will compare how changing the width but maintaining the reflective area affects illuminance distribution, and the second will determine which physical properties of SolaVeil are most effective. Finally, conclusions are drawn based on the case studies and it is shown that smaller width light shelves are the most suitable for an anti glare product. It is also determined that for SolaVeil to minimise glare in a room without compromising illuminance levels, it should have a light shelf angle of 40 degrees, cover between 40-60% of a window and its strips should be spaced 5mm.

Keywords: SolaVeil, smart materials, building system design, illumination.

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Series: w78:2011 (browse)
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A G Rivera, S Guindon, T Pianka, N Patel, V Kasireddy, E Li, J Li, S Ergan, M Berges

Lessons Learned from Monitoring Electricity Consumption in a Research Lab Through a Capstone Project Course

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A Grilo,A Zutshi, R Jardim-Goncalves

BUSINESS INTEROPERABILITY IN THE CONTEXT OF BIM-BASED PROJECTS

Abstract: This paper proposes a model that closely captures the factors that are responsible for Business Interoperability in the context of collaborative business processes for the deployment of Building Information Modeling. The Business Interoperability Quotient Measurement Model (BIQMM), uses an interdisciplinary approach to capture the key elements responsible for collaboration performance and BIM platform configuration. Through the quantification of the relevance of each element to the particular collaboration scenario, and with the combination of the BIQMM with a multi-criteria decision making tool, the Analytical Network Process (ANP) approach, this model enables a quantitative analysis of Business Interoperability for BIM-based projects, so that an overall interoperability score can be calculated for enhanced performance measurements. An application scenario is presented and the application of the BIQMM and ANP, provides a comprehensive framework for interoperability measurement. The paper concludes by recognizing that relationships between business interoperability and true AEC performance improvements and subsequent economic benefits derived from BIM-based approaches needs to be further developed.

Keywords: Business Interoperability, BIM; Collaborative Working Environments

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Series: w78:2011 (browse)
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A Guerriero, S Kubicki, L Schwartz

Design and assessment of prospective mobile services for construction

Abstract: Mobile applications become more and more used in both private and professional activities.Innovation through mobile services specification and prototyping becomes a major trend inconstruction sector research. The project presented in this paper aims both at demonstrating theinterest of mobile technologies for assisting building construction coordination and to elicitate themost interesting and common requirements of construction practitioners for this type of application.Then the paper focuses on the method used for specifying basic requirements and the experimentalprotocol setup for assessing the developed prototype. The main outputs are a set of specifications and aprototype of mobile application as well as a method for defining experimental protocols in a context ofservice-based innovation. The prospects envisage considering context-aware mechanisms for therecommendation of mobile services to construction practitioners.

Keywords: Construction management, Mobile computing, Mobile service prototyping, Experiment protocol.

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Series: w78:2011 (browse)
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A Hore, F Cullen, R Montague, K Thomas

ADVANCING THE USE OF BIM THROUGH A GOVERNMENT FUNDED CONSTRUCTION INDUSTRY COMPETENCY CENTRE IN IRELAND

Abstract: The main aim of this paper is to develop the early case for a new Competence Centre dedicated to industry led research in the Irish construction industry. It incorporates the results of a survey carried out by the Construction IT Aliance (CITA) and also identifies similiar centres carrying out industry led research around the world. Results from the survey show a clear support for the establishment of such a centre in Ireland and, in particular, a strong interest in Building Information Modelling (BIM) as a immediate priority research area. BIM is having a profound effect worldwide on the construction industry. The development and adoption of BIM technologies is in parallel with other major changes relating to project procurement approaches, such as Integrated Project Delivery (IPD), and the general sustainability agenda. Although slow to take off in Ireland to-date, BIM is becoming extremely relevant in other countries, with over 50% adoption in the United States and an average of 36% in Europe. The authors argue that a government funded Competence Centre will facilitate the Irish construction industry in re-establishing itself, domestically and internationally as a competitive entity.

Keywords: Building Information Modelling, Industry, Competence Centre, Collaboration, Integrated Project Delivery, Sustainable Construction

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Series: w78:2011 (browse)
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A Kiviniemi & J Haymaker

Integration of Multiple Product Models

Abstract: The development of the Industry Foundation Classes (IFC) started from the vision that an integrated building product model would cover all necessary information for a buildings’ entire lifecycle: from requirements management, through different design processes to construction and maintenance processes. Although the IFC model specification covers a substantial part of the required information, AEC projects still have encountered many problems putting this model into practice. AEC professionals still find it difficult to have dynamic, lossless, truly effective data flow amongst the different participants and applications. It is obvious that file based data exchange alone is not a feasible solution - some other solution for integrating project information is necessary. This workshop discusses some viewpoints and potential solutions to the above issues and problems.

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Series: w78:2005 (browse)
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Permission to reproduce these papers has been graciously provided by the Technische Universität Dresden.


A Kiviniemi, M Fischer & V Bazjanac

Integration of Multiple Product Models: IFC Model Servers as a Potential Solution

Abstract: The development of the Industry Foundation Classes (IFC) started from the vision of an integrated building product model which would cover all necessary information for buildings' whole lifecycle: requirements management, different design activities and construction and maintenance processes. Although the IFC model specification covers a substantial part of the required information its implementations into practical applications have shown several serious problems. One of the main problems is that the internal structures of the different software products do not support the information needs for the whole process. Thus, the idea of lossless, incremental data flow through the different applications used by the project participants has not come true. It is obvious that file based data exchange is not feasible solution, and some other solution for integrated project data model is necessary for the AEC industry. This paper discusses some viewpoints and potential solutions to the above problem.

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Permission to reproduce these papers has been graciously provided by the Technische Universität Dresden.


A Redmond, A Hore, R West, J Underwood, M Alshawi

Developing a Horizontal Integrated Life Cycle Costing Analysis Model through BIM

Abstract: Advancing interoperability between design team applications has been a major challenge for advocates of open standards. The buildingSmart alliance and Open Geospatial Consortium Inc in the U.S. have developed and implemented an Architecture, Engineering, Construction, Owner Operator, Phase 1 Testbed that streamlines communications between parties at the conceptual design phase to establish an early understanding of the tradeoffs between construction cost and energy efficiency. The results of this Testbed combined with an on-going collaborative R&D project ‘Inpro’ co-funded by the European Commission to identify business and legal issues of Building Information Modeling in construction were used as theoretical propositions underlying a 2010 Delphi survey. This paper presents the results of one questionnaire of that overall study. It is anticipated that these results will contribute to (i) identifying the most appropriate applications for advancing interoperability at the early design stage, (ii) detecting the most severe barriers of BIM implementation from a business and legal viewpoint, (iii) examining the need for standards to address information exchange between design team, (iv) exploring the use of the most common interfaces for exchanging information, and (v) investigating the industry’s perception on whether the development of a Cloud based BIM Life Cycle Costing would be of significant use to the Irish and UK construction industry. The rationale for this research is to refine the results of the initial questionnaire, AECOO-1, and Inpro R&D projects in order to determine if a prototype based on developing a cloud integrated LCC model through BIM could be generated in the UK and, Ireland and if so, what would be the legalities of implementing such a project.

Keywords: Cloud, BIM, Information Exchange, Interoperability, LCC

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Series: w78:2011 (browse)
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