Experimental Performance of Link-to-Column Connections in Eccentrically Braced Frames
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VIEW CORRECTIONPublication: Journal of Structural Engineering
Volume 132, Issue 8
Abstract
A total of 12 large-scale link-column specimens were tested to study the cyclic loading performance of link-to-column connections in eccentrically braced frames. Four different link-to-column connection types with varying configuration and welding details were tested. Each of the four connection types was tested with three different link lengths to consider a wide range of force and deformation environments at the link-to-column connection. The specimens representing the pre-Northridge practice failed after developing only half of the inelastic link rotation required in U.S. building codes. Additional connection types were tested that implemented improved welding practices, as well as specimens that implement design and detailing modifications. This included connections that used the free flange concept and connections that eliminated the weld access holes. The experimental program and key test results are presented in this paper.
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Acknowledgments
The writers gratefully acknowledge primary funding provided for this project by the National Science Foundation (Grant No. NSFCMS-0000031) and supplementary funding provided by the American Institute of Steel Construction. Sincere appreciation is expressed to Dwayne Schuessler for fabrication of the specimens, and to Tim Wharton for providing ultrasonic testing services. Special thanks are extended to the staff at the Phil M. Ferguson Structural Engineering Laboratory at the University of Texas at Austin for their assistance. The opinions expressed in this paper are those of the writers and do not necessarily reflect the views of the sponsors or of the individuals noted herein.
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Information
Published In
Journal of Structural Engineering
Volume 132 • Issue 8 • August 2006
Pages: 1201 - 1211
Copyright
© 2006 ASCE.
History
Received: May 24, 2004
Accepted: Mar 16, 2005
Published online: Aug 1, 2006
Published in print: Aug 2006
Notes
Note. Associate Editor: Donald W. White
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