Cold-Formed High-Strength Stainless Steel Tubular Sections Subjected to Web Crippling
Publication: Journal of Structural Engineering
Volume 133, Issue 3
Abstract
A series of tests on cold-formed high-strength stainless steel square and rectangular hollow sections subjected to web crippling is presented in this paper. The types of stainless steel investigated in this study were high strength austenitic and duplex material. The measured web slenderness value of the hollow sections ranged from 16.5 to 49.7. The tests were carried out under four loading conditions considered in the American Specification and Australian/New Zealand Standard for cold-formed stainless steel structures, namely end-one-flange, interior-one-flange, end-two-flange, and interior-two-flange loading conditions. The web crippling test strengths were compared with the design strengths obtained using the American, Australian/New Zealand, and European Specifications for stainless steel structures. In addition, the North American Specification for cold-formed carbon steel structural members was also used to predict the web crippling strengths and compared with the test results. It is shown that the design strengths predicted by the specifications are either unconservative or very conservative. Hence, a unified web crippling equation with new coefficients for cold-formed high strength stainless steel square and rectangular hollow sections is proposed in this paper. It is shown that the proposed web crippling equation is safe and reliable.
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Acknowledgments
The writers are grateful to STALA Tube Finland for supplying the test specimens.
References
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 133 • Issue 3 • March 2007
Pages: 368 - 377
Copyright
© 2007 ASCE.
History
Received: Jul 21, 2004
Accepted: May 25, 2005
Published online: Mar 1, 2007
Published in print: Mar 2007
Notes
Note. Associate Editor: Donald W. White
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