Computer-Aided Design
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The current interaction between participants in a construction project requires much time and is often a cause of mistakes and misunderstandings. Improvement of this interaction may therefore contribute to an improvement of the construction process as a whole. The lack of interoperability is the main problem behind such interaction drawbacks. In this paper, an infrastructure for a technology transfer model, namely Shared Computer-Aided Structural Design (sCAsD) model, is developed. It is built upon three basic building blocks: the Standard for the Exchange of Product Model Data (STEP, ISO-10303) Parts 104 and 107, the CIMsteel Integration Standard (CIS/2.0) resources, and the Industry Foundation Classes (IFC) standard that is being developed by the International Alliance for Interoperability (IAI). The sCAsD model is an extension for the structural domain/view of the IFC model, providing professional standardization within the synergy effect of the IFC. The model infrastructure is explained and discussed in terms of model schemata. In addition, model feasibility is studied within two assessments for model schemata and model realization in the construction industry. The former assessment has verified the robustness and effectiveness of the model through using a model interface in data handling within an application of an integrated earthquake simulation. Meanwhile, the assessment of model realization has validated the roadmap of model implementation in the construction industry through IAI. The model has been accepted as a formal IAI project, namely ST-7, and is being supported by IAI Japan chapter.