| 汶川地震中都江堰市房屋建筑失效模式分析 |
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| 引用本文： | 孙爱伏,侯爽,林迟. 汶川地震中都江堰市房屋建筑失效模式分析[J]. 大连理工大学学报, 2009, 49(5): 731-738 |
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| 作者姓名： | 孙爱伏 侯爽 林迟 |
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| 作者单位： | 1. 大连理工大学,土木水利学院,辽宁,大连,116024
2. 哈尔滨工业大学,深圳研究生院,广东,深圳,518055 |
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| 基金项目： | “九七三”国家重点基础研究发展计划资助项目(2007CB714202,2007CB714205) |
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| 摘 要： | 根据都江堰市内房屋建筑的震害,分析总结了其在汶川地震中的失效模式及失效机理.首先给出了房屋建筑的地震失效模式判别准则,重点分析了都江堰市内房屋建筑在汶川地震中的典型失效模式和相应的失效机理.分析发现,对于多层砌体房屋和底部框架房屋,按现行规范进行抗震设防比较有效,对于钢筋混凝土框架房屋,还存在一些突出问题:结构形成了弱柱强梁的破坏机制,底层易于变成薄弱层,柱的截面尺寸相对较小和纵向钢筋配筋偏低,柱在端部和节点区的箍筋配置普遍不足.并根据房屋建筑的典型失效模式提出了相应建议.该研究工作可为房屋建筑的抗震设计和加固提供参考依据.
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| 关 键 词： | 汶川地震 房屋建筑 失效模式分析 失效机理 |
Failure mode analysis of buildings in Dujiangyan in Wenchuan earthquake |
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| SUN Aifu,HOU Shuang,LIN Chi. Failure mode analysis of buildings in Dujiangyan in Wenchuan earthquake[J]. Journal of Dalian University of Technology, 2009, 49(5): 731-738 |
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| Authors: | SUN Aifu HOU Shuang LIN Chi |
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| Affiliation: | SUN Ai-fu1,HOU Shuang1,LIN Chi21.School of Civil , Hydraulic Engineering,Dalian University of Technology,Dalian 116024,China,2.Shenzhen Graduate School,Harbin Institute of Technology,Shenzhen 518055 |
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| Abstract: | Typical failure modes and corresponding failure mechanism of buildings in Wenchuan earthquake are analyzed according to seismic damage in Dujiangyan City.Firstly,the seismic failure criteria of buildings are given.Secondly,typical failure modes and corresponding failure mechanism of buildings in Dujiangyan City are mainly analyzed.By analysis,it is found that for multistory masonry buildings and bottom frame buildings seismic fortification is effective according to current seismic code and that for reinforc... |
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| Keywords: | Wenchuan earthquake buildings failure mode analysis failure mechanism |
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