统一考虑地震环境和局部场地影响的建筑物易损性研究

英文篇名：SEISMIC VULNERABILITY ESTIMATION OF THE BUILDING CONSIDERING SEISMIC ENVIRONMENT AND LOCAL SITE CONDITION
中文刊名：地震学报
英文刊名：Acta Seismologica Sinica
作者：温增平 ; 高孟潭 ; 赵凤新 ; 李小军 ; 吕红山 ; 何少林
英文作者：Wen Zengping~ 1) Gao Mengtan~ 1) Zhao Fengxin~ 1) Li Xiaojun~ 2) LAKu¨D Hongshan~ 1) He Shaolin~ 2) BT)1) Institute of Geophysics ; China Earthquake Administration ; Beijing 100081 ; China 2) Seismology Institute of Lanzhou ; China Earthquake Administration ; Lanzhou 730000 ; China
中文关键词：地震环境 ; 场地条件 ; 易损性分析
英文关键词：seismic environment ; site condition ; vulnerability analysis
出版日期：2006-05-30
机构：中国地震局地球物理研究所,中国地震局地球物理研究所,中国地震局地球物理研究所,中国地震局地球物理研究所,中国地震局地球物理研究所,中国地震局兰州地震研究所,
年：2006
期：03
出版单位：地震学报

摘要

提出了一种综合考虑地震环境和场地影响的钢筋混凝土房屋地震易损性分析方法.将地震环境、局部场地和工程结构作为一个整体,以概率地震危险性分析的方式考虑地震环境的影响,在此基础上详细考虑了随局部场地而变化的反应谱形状对结构地震反应及其破坏概率分布的影响.此外,还提出了另一种表述结构易损性的方式,以对应于不同超越概率地震危险水平的方式,提供结构地震破坏概率分布的信息.
A procedure is developed to incorporate seismic environment and site condition into the framework of seismic vulnerability estimation of building to consider the effects of the severity and/or frequency content of ground motion due to seismic environment and site condition. Localized damage distribution can be strongly influenced by seismic environment and surficial soil conditions and any attempt to quantify seismic vulnerability of building should consider the impact of these effects. The seismic environment, site and structure are coupled to estimate damage probability distribution among different damage states for the building. Response spectra at rock site are estimated by probabilistic seismic hazard assessment approach. Based upon engineering representations of soil and amplifing spectral coordinates, frequency content and severity of ground motion are considered. Furthermore the impacts of severity and/or frequency of ground motion effects are considered to estimate the seismic response of reinforced concrete building and damage probability distribution for the building. In addition, a new method for presenting the distribution of damage is developed to express damage probability distribution for the building for different seismic hazard levels.

引文

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