| 既有框架性能化抗震鉴定方法研究及工程应用 |
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| 引用本文： | 程绍革,朱毅秀,杨欣,孙魁,张伟平.既有框架性能化抗震鉴定方法研究及工程应用[J].工程力学,2021,38(8):154-165. |
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| 作者姓名： | 程绍革 朱毅秀 杨欣 孙魁 张伟平 |
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| 作者单位： | 1.中国建筑科学研究院有限公司抗震所，北京 100013 |
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| 基金项目： | 国家重点研发计划课题项目(2016YFC0700706) |
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| 摘 要： | 基于震害总结分析及大比例模型振动台试验研究，提出了以层间变形为衡量指标的既有框架结构性能水准，建立了性能水准与建筑损伤之间的联系；采用地震易损性分析方法研究了不同历史时期框架结构的易损性曲线，建立了结构易损性函数与矩阵；基于地震易损性分析结果，提出了基于概率的结构震害指数计算方法，可以对未来遭遇地震的损伤程度给出直观清晰的定性描述。最后以某展览馆为例，对展览大厅抗震加固前后的抗震性能进行了评估，验证了抗震加固的可靠性。
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| 关 键 词： | 抗震鉴定 性能水准 层间变形 易损性分析 震害指数 |
| 收稿时间： | 2020-08-11 |
SEISMIC EVALUATION METHOD BASED ON SEISMIC PERFORMANCE AND ITS APPLICATION FOR EXISTING RC FRAMES |
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| Affiliation: | 1.China Academy of Building Research, Institute of Earthquake Engineering, Beijing 100013, China2.Department of Civil Engineering, Tongji University, Shanghai 200092, China3.The Military Museum of The Chinese People’s Revolution, Beijing 100038, China |
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| Abstract: | According to statistical analyses and shaking table tests of seismic damage of RC frames, the performance levels and corresponding damage degrees based on inter-story drift subjected to earthquakes were proposed. Seismic vulnerability analysis was adopted to analyze existing RC frame structures built in different historic periods to obtain the vulnerability curves and their matrixes. In order to evaluate the damage degree subjected to the expected earthquake in future, the seismic damage index method was also put forward. Finally, taking an exhibition hall as an example, the seismic performances of the structure before and after seismic strengthening were evaluated, and the effect of seismic reinforcement was verified. |
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