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Seismic fragility analysis of reinforced masonry buildings.

机译：钢筋砌体建筑的地震易损性分析。

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摘要

Reinforced masonry walls are a widely used lateral force resisting system for buildings around the world. These structures, if not correctly detailed to resist earthquake loads, are a main cause of casualties and economic losses, particularly in developing countries.;This thesis presents the result of a study whose objective was to apply the seismic fragility methodology to both in-plane (shear) and out-of-plane (transverse) reinforced masonry shear walls to quantify probabilities of exceedance for ASCE 41-06 drifts associated with continued occupancy, life safety, and collapse prevention, performance states.;The load-displacement curves (hysteresis) were obtained from quasi-static out-of-plane and in-plane experimental testing by Klingner et al. (2010). In this thesis, that data was applied to obtain the parameters for a widely used ten-parameter hysteretic model. The software SAPWood Version 2.0 was selected for use in this thesis to enable nonlinear modeling of the shear wall and out-of-plane components.;An analytical model of the reinforced masonry walls was developed in SAPWood and subjected to each earthquake within a well-known suite of 22 earthquakes. The peak of drifts for each ground motion record was recorded and each earthquake intensity increased over the range interest, i.e. an incremental dynamic analysis (IDA) was performed. Finally, as mentioned the information obtained from the IDA was used to develop fragility curves for the in-plane and out-of-plane walls based on peak story drift limits defined in ASCE 41 for continued occupancy, life safety, and collapse prevention.
机译：钢筋砌体墙是世界各地建筑物广泛使用的横向力抵抗系统。这些结构，如果不能正确地详细说明以抵抗地震载荷，则是造成人员伤亡和经济损失的主要原因，尤其是在发展中国家。本论文提出了一项研究结果，其目的是将地震易碎性方法应用于平面内（剪切）和面外（横向）砌体剪力墙，以量化与持续占用，生命安全和防塌，性能状态相关的ASCE 41-06漂移的超标概率;荷载-位移曲线（滞后） ）是通过Klingner等人的准静态平面外和平面内实验测试获得的。 （2010）。在本文中，该数据被用于获得广泛使用的十参数磁滞模型的参数。本文选择使用SAPWood Version 2.0软件，以对剪力墙和平面外构件进行非线性建模。；；在SAPWood中开发了钢筋砌体墙的分析模型，并在井中经受了每次地震的影响。已知的22次地震套件。记录每个地面运动记录的漂移峰值，并且每个地震强度在感兴趣的范围内增加，即执行增量动态分析（IDA）。最后，如前所述，从IDA获得的信息用于根据ASCE 41中定义的峰值层漂移极限来为平面内和平面外壁绘制易碎曲线，以确保持续居住，生命安全和防塌。

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  • 作者

    Mazariegos Zamora, Jose Efrain.;

  • 作者单位

    Colorado State University.;

  • 授予单位 Colorado State University.;
  • 学科 Engineering Civil.
  • 学位 M.S.
  • 年度 2013
  • 页码 46 p.
  • 总页数 46
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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