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Title:	Romanian application of cold-formed steel beams with screwed corrugated webs
Abstract:	Cold-formed steel members are used in a wide variety of applications, both residential and industrial, due to their high strength-to-weight ratio. This paper introduces an innovative steel structural solution used in a portal frame configuration. The frame is made from cold-formed steel beams with screwed corrugated web and SHS columns. Very good structural performance was achieved, proved by way of tests on such beams carried out previously at the Technical University of Cluj-Napoca A finite element analysis was carried out in Abaqus using available, accurate, test-based calibrated FE models [1]. The same settings, mesh size, contacts, connectors and material definitions were used. Material stress-strain curves obtained from coupon tests and a theoretical curve were determined; both types were used in the FE analysis for the definition of the material. A monotonic test will be performed on the proposed structural configuration. The paper concludes with advice on how to set up theoretical stress-strain curves for design assisted by FEA of such kinds of girder. A case study presents one particular proposed structure, analysed by the authors and built for a warehouse application.
Source:	Steel Construction 6 (2013), No. 2
Page/s:	139-143
Language of Publication:	English

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