| 建筑结构二次防御能力分析方法 |
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| 引用本文： | 马人乐,陈俊岭,何敏娟.建筑结构二次防御能力分析方法[J].同济大学学报(自然科学版),2006,34(5):569-573. |
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| 作者姓名： | 马人乐 陈俊岭 何敏娟 |
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| 作者单位： | 同济大学,建筑工程系,上海,200092 |
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| 摘 要： | 结构的二次防御能力是指结构因突发事件或局部严重超载而造成部分构件突然失效时，结构自行调整内力、阻止破坏过程的延续、保证结构不发生整体破坏的能力．结合偶然事件的发生特点，介绍了结构进行二次防御能力设计的两种方法，并给出了按重要性和功能要求对建筑物二次防御能力设计的三种分类．
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| 关 键 词： | 二次防御能力 钢结构 偶然事件 连续性倒塌 |
| 文章编号： | 0253-374X（2006）05-0569-05 |
| 收稿时间： | 11 5 2004 12:00AM |
| 修稿时间： | 2004-11-05 |
Analytical Method of Alternative Defensive Ability for Building Structures |
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| MA Renle,CHEN Junling,HE minjuan.Analytical Method of Alternative Defensive Ability for Building Structures[J].Journal of Tongji University(Natural Science),2006,34(5):569-573. |
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| Authors: | MA Renle CHEN Junling HE minjuan |
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| Institution: | Department of Building Engineering, Tongji University, Shanghai 200092, China |
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| Abstract: | The alternative defensive ability of structures refers to their ability to adjust the internal forces automatically to avoid the continuation of damage and maintain the whole structure stability when local members failed unexpectedly due to abnormal events or severe local overloading. In this paper, two design methods are proposed to analyze the alternative defensive ability of structures according to the characteristics of abnormal events;designing of the alternative defensive ability are graded according to the importance and functional requirement of buildings. |
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| Keywords: | alternative defensive ability steel structure abnormal event progressive collapse |
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