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Abstract

A new cold-formed steel building system was developed recently that has no conventional frames, purlins or girts. As it uses a new structural system, the load paths and the structural behaviour are unknown. Therefore a series of non-destructive and destructive full scale tests of a 5.4 m × 5.4 m × 2.3 m steel building was conducted under simulated wind uplift and racking loads. The test results showed that in its present state, this new building system needed modification for its intended purpose. The structural behaviour of the proposed structure was also investigated using finite element analyses. Based on these full sale tests and finite element analyses, suitable structural improvements were proposed to the new building system. This paper presents the essential details of the proposed cold-formed steel building system, the full scale tests and the finite element analyses as well as the important results including the details of an improved building system.

Keywords

cold-formed steel building innovative light-weight structure full scale tests finite element analyses

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Development of a New Cold-Formed Steel Building System

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