Virtual Experiments for Welded Structural Steel Connections
Publication: Practice Periodical on Structural Design and Construction
Volume 11, Issue 3
Abstract
Imagine how much time and expense could be saved if virtual experiments were done prior to actual testing in order to have some confidence in the chosen parameters. Structural tension connection strength is often expressed as efficiency, the test failure load divided by the failure load for the gross area of the connected member. Experimentally this is done by testing a connection to failure and also testing a tension coupon to find ultimate strength. Finite element studies are often used to predict relative structural failure loads, but actual failure load depends upon the failure criterion. This paper presents an analytic procedure that may aid in the development and interpretation of full-scale tests. This is especially important in an experimental program for steel connections due to the cost involved in the testing of a single connection and the need to find results for varying geometries. Finite-element results are compared to experimentally found efficiencies of some welded steel connections for plates and angles. Some observations are made about the effect of eccentricity on welded tension connections.
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Acknowledgments
This study was made possible by grants from the American Institute of Steel Construction, The National Science Foundation, and the University of Connecticut Research Foundation.NSF
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Information & Authors
Information
Published In
Practice Periodical on Structural Design and Construction
Volume 11 • Issue 3 • August 2006
Pages: 128 - 133
Copyright
© 2006 ASCE.
History
Received: Oct 7, 2005
Accepted: Dec 9, 2005
Published online: Aug 1, 2006
Published in print: Aug 2006
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