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Seismic loss estimation of non-ductile reinforced concrete buildings

机译：非延性钢筋混凝土建筑物的地震损失估算

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Non-ductile reinforced concrete buildings represent a prevalent construction type found in many parts of the world. Due to the seismic vulnerability of such buildings, in areas of high seismic activity non-ductile reinforced concrete buildings pose a significant threat to the safety of the occupants and damage to such structures can result in large financial losses. This paper introduces advanced analytical models that can be used to simulate the nonlinear dynamic response of these structural systems, including collapse. The state-of-the-art loss simulation procedure developed for new buildings is extended to estimate the expected losses of existing non-ductile concrete buildings considering their vulnerability to collapse. Three criteria for collapse, namely first component failure, side-sway collapse, and gravity-load collapse, are considered in determining the probability of collapse and the assessment of financial losses. A detailed example is presented using a seven-story non-ductile reinforced concrete frame building located in the Los Angeles, California.
机译：非延性钢筋混凝土建筑代表了在世界许多地方普遍存在的建筑类型。由于此类建筑物的地震易损性，在高地震活动的区域中，非抗渗钢筋混凝土建筑物严重威胁着乘员的安全，损坏此类结构可能导致巨大的经济损失。本文介绍了可用于模拟这些结构系统（包括坍塌）的非线性动力响应的高级分析模型。扩展了为新建筑物开发的最新损失模拟程序，以考虑到现有非延性混凝土建筑物的倒塌脆弱性，以估计其预期损失。在确定倒塌的可能性和评估财务损失时，考虑了三个倒塌标准，即第一部分破坏，侧向倒塌和重力载荷倒塌。使用位于加利福尼亚州洛杉矶的七层非延性钢筋混凝土框架建筑展示了一个详细的示例。

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