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http://dx.doi.org/10.9712/KASS.2018.18.4.105

Seismic Retrofit of Spatial Structures Using Buckling Restrained Brace  

Moon, Hee-Suk (Metro T&C Co., Ltd.)
Kim, Gee-Chul (School of Architecture, Seoil University)
Kang, Joo-Won (School of Architecture, Yeungnam University)
Lee, Joon-Ho (Metro T&C Co., Ltd.)
Publication Information
Journal of Korean Association for Spatial Structures / v.18, no.4, 2018 , pp. 105-111 More about this Journal
Abstract
In this study, the seismic performance and behavior characteristics of the upper truss structure of the large stadium are analyzed by nonlinear dynamic analysis. In the nonlinear dynamic analysis, the earthquake records were generated by site response analysis to simulate the nonlinear behavior of the relevant soil condition where the structure is located. Nonlinear dynamic analysis was performed using Perform-3D and the nonlinear properties of the substructure and the superstructure were determined in accordance with KISTEC guideline. According to the analysis results, excessive deformation occurred in the upper truss element, and plastic hinges exceeded the target performance in some members. Buckling-restrained brace is used for seismic retrofit of stadium structures and the analysis results shows the interstory drift satisfies the target performance level with dissipating the seismic energy efficiently.
Keywords
Spatial structure; Nonlinear dynamic analysis; Seismic performance evaluation; Buckling-restrained brace; Seismic rehabilitation;
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