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http://dx.doi.org/10.9712/KASS.2019.19.3.33

Control Performance Evaluation of Mid-Story Isolation System for Residence-Commerce Complex Building  

Park, Kwang-Seob (Boru E&C)
Kim, Yun-Tae (Boru E&C)
Kim, Hyun-Su (Div. of Architecture, Architectural & Civil Engineering, Sunmoon University)
Publication Information
Journal of Korean Association for Spatial Structures / v.19, no.3, 2019 , pp. 33-40 More about this Journal
Abstract
A seismic isolation system is one of the most effective control devices used for mitigating the structural responses due to earthquake loads. This system is generally used as a type of base isolation system for low- and mid-rise building structures. If the base isolation technique is applied to high-rise buildings, a lot of problems may be induced such as the movement of isolation bearings during severe wind loads, the stability problem of bearings under large compression forces. Therefore, a mid-story isolation system was proposed for seismic protection of high-rise buildings. Residence-commerce complex buildings in Korea have vertical irregularity because shear wall type and frame type structures are vertically connected. This problem can be also solved by the mid-story isolation system. An effective analytical method using super elements and substructures was proposed in this study. This method was used to investigate control performance of mid-story isolation system for residence-commerce complex buildings subjected to seismic loads. Based on numerical analyses, it was shown that the mid-story isolation system can effectively reduce seismic responses of residence-commerce complex tall buildings.
Keywords
Residence-commerce complex building; Mid-story isolation system; Seismic response reduction; Efficient analysis method; Vibration control;
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