基于云图-条带法的概率地震需求分析与地震易损性分析

发布时间：2018-03-28 03:00

  本文选题：云图-条带法　切入点：云图法　出处：《工程力学》2016年06期

【摘要】：提出一种概率地震需求分析的云图-条带法。该方法通过引入经验地震易损性分析中的数据处理方法,解决传统云图法无法处理海量非线性时程分析结果的局限。为说明该文提出方法,选取100条地震动作为输入,针对23个钢筋混凝土框架结构进行了云图法分析。基于所有结构的云图结果,采用云图-条带法建立了群体结构的概率地震需求模型,并计算得到了群体结构的地震易损性。研究表明:云图-条带法可以有效地处理海量非线性时程分析结果,建立较为合理的概率地震需求模型。在输入地震动的强度范围内,群体结构整体发生严重破坏和完全破坏的概率很低,而主要以发生轻微破坏和中等破坏为主。
[Abstract]:A cloud map strip method for probabilistic seismic requirement analysis is proposed, in which the data processing method of empirical seismic vulnerability analysis is introduced. To solve the limitation that the traditional cloud map method can not deal with the results of massive nonlinear time-history analysis, 100 ground motions are selected as input to illustrate the method in this paper. The cloud map method is used to analyze 23 reinforced concrete frame structures. Based on the cloud map results of all structures, the probabilistic seismic demand model of group structures is established by using the cloud graph-strip method. The seismic vulnerability of group structure is calculated. The results show that the cloud map and strip method can effectively deal with the results of massive nonlinear time-history analysis and establish a more reasonable probabilistic seismic demand model. The probability of serious and complete destruction of the whole population structure is very low, but mainly of slight and moderate destruction.
【作者单位】： 哈尔滨工业大学结构工程灾变与控制教育部重点实验室;
【基金】：国家自然科学基金项目(51378162,51408155) 国家科技支撑计划课题项目(2013BAJ08B01) 土木工程防灾国家重点实验室开放基金项目(SLDRCE12-MB-04) 中国高校基本科研业务费专项资金项目(HIT.NSRIF.2015099) 中国博士后科学基金面上项目(2014M551251) 黑龙江省博士后资助项目(LBH-Z14114)
【分类号】：P315.9
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本文编号：1674432