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汶川地震中单层钢筋混凝土柱厂房典型震害分析
Typical seismic damage analysis of single-story reinforced concrete industrial buildings in the Wenchuan earthquake
【摘要】 通过对四川江油市、成都市、彭州市、绵阳市汉旺镇、甘肃天水市、陕西汉中市单层钢筋混凝土柱厂房的震害调查,以及对典型震害的分析,得出以下结论:按抗震规范设计的建筑,钢筋混凝土主体结构破坏轻微;非结构构件震害相对比较严重,特别是纵墙端开间、高大山墙、高低跨悬墙,以及高大设备和基础的连接;未进行抗震设计且未进行加固的老厂房震害一般较严重。为此,要特别加强非结构构件和高大设备的抗震设计,对未进行抗震设计的老厂房要尽快安排抗震加固。
【Abstract】 According to the damage survey and analysis for the single-story reinforced concrete industrial buildings located in Jiangyou,Chengdu,Pengzhou and Mianyang in Sichuan Province,Tianshui in Gansu Province,and Hanzhong in Shanxi Province,the following conclusions are derived: first,the main structures of reinforced concrete buildings designed according to the Seismic Code received minor damage;non-structural components,especially the end bays in the longitudinal direction,high gables,the cantilevered walls between two span with different height and the connection between huge device and foundation,suffered relatively serious damage;third,the structures without standard design according to the Seismic Code,as well as the old industrial buildings without consolidation were damaged severely.Thereby,the seismic design for non-structural components and huge devices should be emphasized.Moreover,the old industrial buildings that used to be designed without following the Seismic Code should be retroffited as soon as possible.
【Key words】 Wenchuan earthquake; seismic damage survey; seismic damage analysis for typical structures;
- 【文献出处】 建筑结构学报 ,Journal of Building Structures , 编辑部邮箱 ,2008年04期
- 【分类号】TU375.3;TU311.3
- 【被引频次】18
- 【下载频次】547