Cyclic performance of precast coupling beams with bundled diagonal reinforcement

Title
Cyclic performance of precast coupling beams with bundled diagonal reinforcement
Authors
한상환
Keywords
Precast coupling beam; Bundled diagonal reinforcement; Ductility; Energy dissipation
Issue Date
2015-04
Publisher
ELSEVIER SCI LTD
Citation
ENGINEERING STRUCTURES, v. 93, Page. 142-151
Abstract
Diagonally reinforced coupling beams designed according to current codes are expected to endure significant inelastic deformations during earthquakes. However, it is very difficult to fabricate the coupling beams in a construction site due to the congestion of reinforcement and the complex arrangement of diagonal reinforcement. For resolving the problems, this study developed precast coupling beams with bundled diagonal reinforcement. To verify the effectiveness of the proposed design method, experimental tests were conducted on four 1/2-scale coupling beam specimens subjected to cyclic loading. The test results suggest that the precast coupling beams with bundled diagonal reinforcement exhibited good ductility and energy dissipation capacities similar to those having code-specified diagonal reinforcement. (C) 2015 Elsevier Ltd. All rights reserved.
URI
http://www.sciencedirect.com/science/article/pii/S0141029615001789http://hdl.handle.net/20.500.11754/24069
ISSN
0141-0296; 1873-7323
DOI
http://dx.doi.org/10.1016/j.engstruct.2015.03.034
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ARCHITECTURAL ENGINEERING(건축공학부) > Articles
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