Elastic-Plastic Analysis of Partial Single Long-Span Complex Frame Structure under Rare Earthquake in High Seismic Intensity Zone

Abstract:

The item 6.1.5 in Code for seismic design of buildings (GB50011-2010)^[ is for single span frame structure design requirements of regulations. But there may be a partial single long-span frame structure in the actual project. Therefore, it is necessary to study the seismic performance of the structure under rare earthquake, especially in high intensity area. This paper takes a hybrid structure which is in high intensity zone with partial single long-span concrete structures (31m) and the single long-span steel roof as an example, and the seismic performance of partial single long-span structures under rare earthquake is discussed. In the elastic-plastic analysis, reinforcement results of members are automatically merged by VBA program. Material parameters of the Elastic-plastic analysis model are compared to Pseudo-static collapse experiment results of reinforced concrete frame columns and the overall framework in Tsinghua University. Results show that: The partial single long-span frame structure reasonably designed based on the Chinese code can meet the requirement of No Collapsing With Strong Earthquake; The bearing type of the steel roof has certain influence on the inter-story displacement angle of supporting frame structures under rare earthquake.

• Periodical: Applied Mechanics and Materials (Volumes 501-504)
• Pages: 1503-1512
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.501-504.1503
• Online since: January 2014
• Authors: Jian Wen Wang, Fei Liang, Wen Bo Sun
• Keywords: Elastic-Plastic Analysis under Rare Earthquake, High Seismic Intensity Zone, Single Long-Span Frame Structure

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