Theoretical research and earthquake damage investigation indicate that there is bend torsion coupling vibration for curved bridge when earthquake occurs.
理论研究与震害经验表明，地震时曲线桥梁会产生弯扭耦合振动。
In this paper, the reason of earthquake damage was analyzed through field investigation of earthquake disaster in the Zhangbei area of Hebei province.
本文在调查河北省张北地区地震震害情况的基础上，分析了震害产生的原因。
Bridges are severely damaged in Wenchuan Ms8.0 earthquake. The seismic damage to Bridges in Mianzhu City is analyzed based on the site investigation.
汶川8.0级地震中桥梁破坏严重，根据现场调查资料对绵竹市公路桥梁的震害进行了分析。
Bridges are severely damaged in Wenchuan Ms8.0 earthquake. The seismic damage to Bridges in Mianzhu City is analyzed based on the site investigation.
汶川8.0级地震中桥梁破坏严重，根据现场调查资料对绵竹市公路桥梁的震害进行了分析。
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