基于柔度差法的斜拉桥损伤识别  

Damage identification of cable-stayed bridge based on flexibility difference method

作　　者：马恒春 靳国礼 

机构地区：[1]大连理工现代工程检测有限公司

出　　处：《山西建筑》2011年第32期168-169,共2页Shanxi Architecture

摘　　要：通过数值模拟建立有限元模型并模拟损伤,采用柔度差法对某斜拉桥算例进行损伤识别,经过数值试验的验证,损伤效果较好,证实该柔度差法可以实现对大型斜拉桥结构的损伤识别。The finite element model is established and the damage is simulated through numerical simulation.The damage of cable-stayed bridge is identified with flexibility difference method.Through the numerical test,the essay finds out good damage effect,and identifies that flexibility difference method can realize the damage identification for large-scale cable-stayed bridge structure.

关 键 词：斜拉桥 有限元模型 柔度差法 损伤识别 

分 类 号：U448.27[建筑科学—桥梁与隧道工程]