Concrete-Filled HSS Connections
Publication: Journal of Structural Engineering
Volume 121, Issue 3
Abstract
A novel method of reinforcement for welded-truss connections between hollow structural sections (HSS), in which the chord member is filled with concrete, is described. The behavior of concrete-filled T-, X-, and gapped K-connections is examined by means of tests on 31 filled and unfilled connections, and the effects of concrete filling on structural performance are established. It is shown that there is a significant improvement in strength for connections that have a branch member, or members, loaded in compression. Moreover, the strength of concrete-filled HSS connections can be adequately predicted by considering the bearing capacity of the confined concrete (under compression loading) or a subset of existing design expressions for unfilled HSS connections (under tension loading).
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 121 • Issue 3 • March 1995
Pages: 458 - 467
Copyright
Copyright © 1995 American Society of Civil Engineers.
History
Published online: Mar 1, 1995
Published in print: Mar 1995
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