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汶川地震中,楼梯震害严重,楼梯的抗震设计及楼梯对整体结构抗震性能的影响受到更多关注。本文简要介绍了楼梯的震害特征、带楼梯框架结构的抗震性能、滑支楼梯构造和带滑支楼梯框架结构抗震性能的部分研究成果,总结了不同楼梯构造措施对楼梯和主体结构抗震性能的影响。对滑支楼梯的研究工作进行了进一步探讨。
In the Wenchuan earthquake, the staircase was seriously damaged, and the seismic design of the stairs and the impact of the stairs on the seismic performance of the whole structure received more attention. This paper briefly introduces the seismic damage characteristics of stairs, the seismic performance of a stair frame structure, the structure of slip-supported stairs, and the seismic performance of a frame structure with sliding support, and summarizes the seismic performance of stairs and main structures with different stair construction measures. influences. The research work on sliding stairs was further discussed.