Abstract
Recently, high-performance steels have been increasingly used for structural materials in buildings and bridges with the demand for high-rise and long-span of main structures. This paper is a series of basic study for the design specification of structural members using new high-performance steel with the material properties of HSA800 (High-performance Steel having tensile strength of 800 MPa for building structures). The steel stub columns of built-up H-section and square hollow section with various width-to-thickness ratios are experimentally planned to investigate the local buckling behaviors and then to check their current design limits. The nonlinear three-dimensional finite element models are also constructed to verify the experimental results. The present experimental results are seen to closely agree with those from finite element analysis. In addition, the verified finite element models are used for extensive parametric studies to check up the applicability of highstrength steel in current design specification.
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Note.-Discussion open until February 1, 2014. This manuscript for this paper was submitted for review and possible publication on June 4, 2013; approved on July 21, 2013.
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Yoo, JH., Kim, JW., Yang, JG. et al. Local buckling in the stub columns fabricated with HSA800 of high performance steel. Int J Steel Struct 13, 445–458 (2013). https://doi.org/10.1007/s13296-013-3005-2
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DOI: https://doi.org/10.1007/s13296-013-3005-2