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Heinisuo M, Karstila K, Pehrsson R

Product modelling and data exchange for constructional steelwork

Abstract: "The paper includes summaries of three national development projects, which all deal with product modelling and data exchange of structural steelwork. Two of the projects belong to Finnsteel technology program, one belongs to Vera technology program and both these programs are organized by TEKES of Finland. In all the three projects product data models applying ISO 10303-11 (EXPRESS) and product data exchange based on ISO 10303-21 have been used to define the models and to carry out the data exchange between organizations and between disciplines. The views to structural steelwork have been different in all the projects. The first project is called SteelBase, the second FST-EXPERT and the third FinnST-1. The largest project, SteelBase (three years, 28 companies) was focused to the data exchange between the steel designer and the steel product fabricator and to the education of the creator and the end user of the product data. The second project, FST-EXPERT was mainly focused to the product modelling and to the data exchange between geometrical modelling, structural analysis and cost estimation i.e data exchange within the organization but between disciplines. The third project, FinnST-1 is scoped to the structural steelwork data exchange between organizations generally. FinnST-1 project includes mapping between the CIMsteel Integration Standards from the CIMsteel Eureka project and the Industry Foundation Classes from the International Alliance for Interoperability. All the projects include much basic studies within the field of product modelling, some new findings and a lot of experience for the people involved with the projects. It is believed, that this experience is a good starting point to the new century with its challenges. The most essential results of the three projects are presented and summarized in the paper. Some results are e.g. (SteelBase) evaluation of possible STEP based product models for steel structures, basic data definitions needed for the data exchange between the designer and the fabricator, and the effect of that definition to the CIMsteel standard (from R1.1 to R2.0), mapping of product data following the needs of different organizations, and the importance of the education for these new things. In FST-EXPERT project it is shown, that the mapping with some ""intelligence"" between the geometrical model and the structural analysis (FEM) model can be a powerful tool if neutral data files are used for the data exchange. The power means here total independency of the CAD-program and the FEM-program and moreover in this case the cost estimation and strength check can be integrated to the design process applying neutral STEP-files. Finally, FinnST-1 project brings all the work done in the other projects to the use of all the organizations involved into the building project. Also, the possibilities to perform the mapping between STEP-models are new information."

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Full text: content.pdf (502,162 bytes) (available to registered users only)

Series: w78:2000 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.analysis (0.040417) class.software-software (0.035655) class.represent (0.025541)
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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


Kiviniemi A, Laitinen J, Lautanala M, Kangas R

Monitoring a national construction IT programme

Abstract: "The context of the paper is Finnish national VERA (Information Networking in the Construction Process) technology programme (see http://cic.vtt.fi/vera/english.htm). The target of the programme is to promote the implementation and use of IT and information networks as an enabler for re-engineering the construction process. The paper describes the evaluation process and results of the VERA programme after the first three years 1997-1999. The evaluation will be made by one domestic and one international evaluator. The evaluation will take place between December 1999 and February 2000. The issues of the evaluation report will be: - whether or not industry?s expectations have been met by the VERA programme - are the results of the projects well disseminated - is industry applying the results of the completed projects - what are the indicators that would demonstrate change and improvement - have the improvements identified by the projects been realised on other projects - where projects have been successful what are the reasons for success, and likewise where projects have not achieved their expectations, then why not - are the goals of the programme still valid or should the future focus be changed The paper will also try to compare Vera programme and its results with some similar efforts in other countries, like IT Bygg och Fastighet 2002 (IT Construction and Real Estate 2002) in Sweden and Construction IT in UK. The paper will try to identify the benefits and weaknesses of different R and D funding and facilitating mechanisms. Finally the conclusions and further goals and activities of the VERA programme for the last three years, 2000-2002 are presented."

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Full text: content.pdf (264,571 bytes) (available to registered users only)

Series: w78:2000 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.impact (0.026063) class.environment (0.016886) class.roadmaps (0.007610)
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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


Kiviniemi A, Lautanala M, Kaitanen K

VERA - information networking in the constructionprocess

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Full text: content.pdf (76,671 bytes) (available to registered users only)

Series: w78:1997 (browse)
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