The Effective using of Higher Strength Structural Steels in Compression Members
Received Date: Mar 01, 2014 / Accepted Date: Apr 23, 2014 / Published Date: Apr 27, 2014
The continuous effort to achieve more efficiency of steel structures results to decrease their weight. Generally, it is accepted that the weight decreasing of steel structures could be achieved mainly by their geometrical and material optimization, using the thin- walled cross-sections and the higher strength steels. The results of numerical analysis of middle and higher strength structural steels using in compression members are presented in the paper. The homogeneous I cross-sections of the members with web slenderness βw = 40, 48, 60, 80, 120; member length L = 3,0; 4,0; 5,0; 6,0 m and structural steels S235, S275, S355, S420 and S460 were assumed. The full theoretical plastic load Npl, local post-critical load Nul and global buckling load Nuy and Nuz for all considered members by the European standards EN 1993-1-1 and EN 1993-1-5 for the design of steel structures were calculated. It is known that these standards have been transformed into national standards of all CEN countries which are generally used from 2010. The effective applying of the higher strength steels on the compressed members taking in consideration their shaping and material optimization is presented in this paper. The obtained numerical results are compared and analysed by choosing technical parameters.
Keywords: Compressed steel members; Homogeneous crosssections; Yield stress; Post-critical behaviour; Local and global buckling load
Citation: Juhas P, Senitkova I (2014) The Effective using of Higher Strength Structural Steels in Compression Members. J Archit Eng Tech 3: 125. Doi: 10.4172/2168-9717.1000125
Copyright: ©2014 Juhas P, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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