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桥梁结构地震损伤评估简化分析方法

Keywords: 桥梁,损伤,地震,评估,P-Delta效应

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Abstract:

为了更好地解决如何衡量地震作用下桥梁结构遭受的损伤程度的问题,文章对滞回模型屈服后刚度系数和P-Delta效应的对动力响应的影响进行了分析。提出用残留位移作为评估桥梁结构损伤的附加指标.对典型桥梁结构进行实例分析.在桥梁抗震性能评估中考虑P-Delta效应的分析中引入残留位移是必要的,也是有效的.

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