| 带底部薄弱层住宅结构抗震设计 |
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| 引用本文： | 秦从律,钱磊,干钢,张爱晖.带底部薄弱层住宅结构抗震设计[J].工业建筑,2006,36(10):36-38,68. |
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| 作者姓名： | 秦从律 钱磊 干钢 张爱晖 |
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| 作者单位： | 1. 浙江大学建筑设计研究院,杭州,310027
2. 浙江大学结构工程研究所,杭州,310027 |
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| 摘 要： | 结合工程实例,在7度地震区底层高度为6.6m的8层板式住宅的底层及房屋两端适当布置抗震墙,形成竖向非连续框架-抗震墙结构体系.对该结构体系进行了多遇地震作用下的抗震性能计算评估和罕遇地震作用下的弹塑性时程分析.计算分析结果表明,采用该框-墙结构体系有效提高了结构底层的侧向刚度和房屋的整体抗扭刚度,消除了结构底部薄弱层,改善了结构的抗震性能,可满足规范规定的三水准抗震设防要求.
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| 关 键 词： | 底部薄弱层 框-墙结构 抗震性能 弹塑性时程分析 |
| 收稿时间： | 2006-01-16 |
| 修稿时间： | 2006-01-16 |
SEISMIC DESIGN OF AN APARTMENT BUILDING WITH BOTTOM WEAK STORY |
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| Qin Conglü,Qian Lei,Gan Gang,Zhang Aihui.SEISMIC DESIGN OF AN APARTMENT BUILDING WITH BOTTOM WEAK STORY[J].Industrial Construction,2006,36(10):36-38,68. |
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| Authors: | Qin Conglü Qian Lei Gan Gang Zhang Aihui |
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| Affiliation: | 1.Architectural Design and Research Institute of Zhejiang Univ. Hangzhou 310027;2.Institute of Structure Engineering, Zhejiang Univ. Hangzhou 310027 |
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| Abstract: | In order to insure the seismic performance of an apartment RC building with 6.6m-high bottom story in the area of seismic fortification intensity 7 ,tbe frame-wall plan was adopted ,in which RC shear walls were arranged at the ends of the building and bottom story. The seismic performance of the building was evaluated based on the static analysis under frequent earthquake, and the nonlinear time history analysis under rare earthquake was conducted. As a result, the lateral stiffness of the bottom story and the integral torsional stiffness of the building are increased, and the seismic performance of the building is improved due to arranging the shear walls, which meets the three-level criterion of the Seismic Code. |
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| Keywords: | bottom weak story frame-wall structure seismic periformance nonlinear time history analysis |
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