常用装配整体式框架结构服役期抗震性能研究
引用文献：
仲启迪 ，宋鸿誉， 沈银良. 常用装配整体式框架结构服役期抗震性能研究[J]. 建筑结构，2022，48（07）：131-135.
ZHONG Qidi ，SONG Hongyu ，SHEN Yinliang. Study on seismic behavior of commonly used prefabricated frame with cast-in-situ joint structure during service period[J]. Building Structure，2022,48（07）：131-135.
摘要：服役期常用装配整体式框架结构连接节点的抗震性能随着服役时间的增长不断减弱，将对整体结构产生影响。利用SAP2000软件建立常用装配整体式框架结构计算模型，模型中定义了服役期常用装配整体式框架结构连接节点刚度。结合增量动力分析法与层间位移角限值修正后的结构极限状态划分方法，对常用装配整体式框架结构服役期抗震性能进行了研究。研究结果显示，该类结构抗震性能在服役期内不断衰减，在服役时间超过10年之后，该种现象更加明显。此外，层间位移角限值未修正的结构极限状态划分方法将高估常用装配整体式框架结构的抗震性能。
关键词：服役期，常用装配整体式框架结构，抗震性能，层间位移角限值，增量动力分析
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Study on seismic behavior of commonly used prefabricated frame with cast-in-situ joint structure during service period
Abstract: The seismic behavior of the connection joints for commonly used prefabricated frame with cast-in-situ joint structure during the service period degrades continuously with the increase of the service time, which will have an impact on the overall structure. The calculation model of commonly used prefabricated frame with cast-in-situ joint structure were established based on SAP2000 software, where the stiffness of the connection joins was set for commonly used prefabricated frame with cast-in-situ joint structure. Combining incremental dynamic analysis method and structural limit state division method with modified interstory displacement angle limit, the seismic behavior of commonly used prefabricated frame with cast-in-situ joint structure during the service period was studied. The results show that the seismic behavior of the structure degrades continuously during the service period, and the phenomenon becomes more obvious after the service time exceeds 10 years. In addition, the structural limit state division method with unmodified interstory displacement angle limit would overestimate the seismic behavior of the commonly used prefabricated frame with cast-in-situ joint structure.
Keywords: service period; commonly used prefabricated frame with cast-in-situ joint structure; seismic behavior; interstory displacement angle limit; incremental dynamic analysis
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