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http://dx.doi.org/10.4334/JKCI.2013.25.5.509

Performance Based Design of Coupling Beam Considering Probability Distribution of Flexural and Shear Strength  

Kim, Yun-Gon (Hyundai Engineering & Construction, R&D Division)
Cho, Suk-Hee (Hyundai Engineering & Construction, R&D Division)
Publication Information
Journal of the Korea Concrete Institute / v.25, no.5, 2013 , pp. 509-516 More about this Journal
Abstract
In this paper, performance based design of coupling beam using non-linear static analysis is proposed considering probability distribution of flexural and shear strength in order to develop flexural hinge. This method considers post-yielding behavior of coupling beam and stress redistribution of system. It can verify the reduced effective stiffness to meet the current design requirement based on linear analysis. It also evaluates the lateral displacement under service load (un-factored wind load) properly. In addition, it can optimize the coupled shear wall system by taking stress redistribution between members into account. For a simplified 30-story building, non-linear static (push-over) analysis was performed and the structural behavior was checked at performance point and several displacement steps. Furthermore, system behavior according to the amount of reinforcement and depth of coupling beam was explored and compared each other.
Keywords
effective stiffness; coupling beam; performance based design; coupled shear wall; probability distribution;
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