Prediction of the compressive strength of welded RHS columns undergoing buckling interaction

Title
Prediction of the compressive strength of welded RHS columns undergoing buckling interaction
Author(s)
권영봉서응규[서응규]
Keywords
SECTION COLUMNS; BOX COLUMNS; TESTS; MEMBERS
Issue Date
201307
Publisher
ELSEVIER SCI LTD
Citation
THIN-WALLED STRUCTURES, v.68, pp.141 - 155
Abstract
This paper describes a series of compression tests performed on welded rectangular hollow section (RHS) columns fabricated from 6.0-mm-thick steel plates with a nominal yield stress of 315 MPa. The ultimate strength and performance of the welded RHS compression members undergoing a nonlinear interaction between local buckling and overall buckling were investigated experimentally and theoretically. The compression test results indicated that the interaction between local buckling and overall buckling had a significant negative effect on the ultimate strength of the welded RHS columns. Design strength formulae for the direct strength method (DSM) for the welded RHS columns were proposed based on the compression test results. The study results confirmed that DSM based on the American Institute of Steel Construction (AISC) or Eurocode 3 (EC3) column curves can properly predict the ultimate strength of welded RHS columns when local buckling and overall buckling occur simultaneously or nearly simultaneously. (C) 2013 Elsevier Ltd. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/29440http://dx.doi.org/10.1016/j.tws.2013.03.009
ISSN
0263-8231
Appears in Collections:
공과대학 > 건설시스템공학과 > Articles
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