| 引用本文: | 杨永强,戴君武,公茂盛,谢礼立.芦山地震中相邻建筑碰撞破坏调查与分析[J].哈尔滨工业大学学报,2015,47(12):102.DOI:10.11918/j.issn.0367-6234.2015.12.018 |
| YANG Yongqiang,DAI Junwu,GONG Maosheng,XIE Lili.Investigation andanalysis on adjacent buildings pounding damage in Lushan earthquake[J].Journal of Harbin Institute of Technology,2015,47(12):102.DOI:10.11918/j.issn.0367-6234.2015.12.018 |
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| 摘要: |
| 为研究相邻建筑地震碰撞破坏机理,调查了芦山地震中相邻建筑碰撞破坏概况,并应用芦山地震加速度记录计算了相邻建筑地震碰撞反应,分析了防震缝宽度和结构质量对碰撞作用的影响.研究结果表明：防震缝宽度越大碰撞对相邻建筑地震反应的影响越小；相邻建筑物质量相近时,地震动输入方向对相邻建筑物碰撞作用影响较小；相邻建筑碰撞对自振周期相对较长的建筑的地震反应影响较大；相邻建筑质量越大,碰撞对其加速度反应影响越小,并且碰撞对质量相对较小的建筑加速度反应影响较大；本文对相邻建筑物碰撞作用的分析与震害实例基本相符. |
| 关键词: 芦山地震 相邻建筑 碰撞 地震反应 防震缝 |
| DOI：10.11918/j.issn.0367-6234.2015.12.018 |
| 分类号:TU398 |
| 基金项目:国家自然科学基金(51308516)；黑龙江省自然科学基金(E201460)；国家国际科技合作专项项目(2012DFA70810). |
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| Investigation andanalysis on adjacent buildings pounding damage in Lushan earthquake |
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YANG Yongqiang1, DAI Junwu1, GONG Maosheng1, XIE Lili1,2
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(1. Key Laboratory of Earthquake Engineering and Engineering Vibration (Institute of Engineering Mechanics), CEA, 150080 Harbin, China; 2. School of Civil Engineering, Harbin Institute of Technology, 150090 Harbin, China)
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| Abstract: |
| A survey of adjacent buildings pounding damage caused by the Lushan earthquake is presented in this paper. Used the acceleration records from Lushan earthquake, the seismic response of adjacent buildings considering collision is calculated, and the influence of seismic joint width and building mass to the collision process is analyzed. Conclusions are as follows: the wider the seismic joint between adjacent buildings, the less and slighter the pounding; there is little effect of ground motion direction on the collision damage between adjacent buildings; the influence of pounding to the building seismic response become slight with the increase of building mass, and the influence is larger to the lighter building; analysis results about adjacent buildings collision in this paper are in conformity with the typical pounding damage example. |
| Key words: Lushan earthquake adjacent buildings pounding seismic response seismic joint |
