文章基本信息

标题：Deformation Capacity and Performance-Based Seismic Design for Reinforced Concrete Coupling Beams
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作者：Ying Zhou ; Lei Lu ; Zhihua Huang 等
期刊名称：Journal of Asian Architecture and Building Engineering
印刷版ISSN：1346-7581
电子版ISSN：1347-2852
出版年度：2014
卷号：13
期号：1
页码：203-208
DOI：10.3130/jaabe.13.203
语种：English
出版社：日本建築学会、大韓建築学会、中国建築学会
摘要：Reinforced concrete (RC) coupling beams are essential structural elements for their ability to reduce the bending moment of coupled walls as well as their capacity to dissipate energy. Deformation capacity of RC coupling beams is influenced by the relative depth coefficient of compression zone, the span-depth ratio, and the concrete confinement. In this paper, the relationship of the relative depth coefficient of compression zone ξ, the span-depth ratio χ, the confining reinforcement characteristic value λνb, and the ultimate plastic hinge rotation θuplb is established firstly. Then, the λνb - ξξ- χ - θuplb relationship is verified by the 48 RC coupling beam experiments conducted by 8 research institutions. Based on the relationship, the performance-based seismic design (PBSD) method for RC coupling beams is proposed. According to the method, the transverse reinforcement can be assessed if the plastic hinge rotation θ and the damage index Db are predetermined, which forms an important part of the PBSD method for RC coupling beams.
关键词：reinforced concrete;coupling beam;deformation capacity;performance-based seismic design