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Steel and Composite Structures Volume 21, Number 6, August30 2016, pages 1251-1264 DOI: https://doi.org/10.12989/scs.2016.21.6.1251 |
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Numerical cyclic behavior of T-RBS: A new steel moment connection |
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Saeed Ataollahi, Mohammad-Reza Banan and Mahmoud-Reza Banan
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| Abstract | ||
| After observing relatively poor performance of bolted web-welded flange beam-to-column connections during 1994 Northridge earthquake, various types of connections based on two concepts of: (i) strengthening the connection; and (ii) weakening the beam ends were proposed. Among these modified or newly proposed connections, bolted T-stub connection follows the concept of strengthening. One of the connections with the idea of weakening the beam ends is reduced beam section (RBS). In this paper, finite element simulation is used to study the cyclic behavior of a new proposed connection developed by using a combination of both mentioned concepts. Investigated connections are exterior beam-to-column connections designed to comply with AISC provisions. The results show that moment capacity and dissipated energy of the new proposed connection is almost the same as those computed for a T-stub connection and higher than corresponding values for an RBS connection. | ||
| Key Words | ||
| cyclic behavior; steel moment connection; T-stub; beam-column connection; RBS | ||
| Address | ||
| Department of Civil and Environmental Engineering, Shiraz University, Shiraz, Iran. | ||