罕遇地震作用下铁路连续梁桥抗震分析
发布时间:2018-09-01 16:55
【摘要】:在罕遇地震作用下,连续梁桥有时可能进入弹塑性状态,结合某轨道交通的高架桥梁工程,采用纤维模型,分析了该桥在地震作用下的受力状态,分析表明,该桥制动墩墩底钢筋在给定地震时程波作用下发生屈服,桥墩进入塑性状态,但非线性位移延性比满足规范要求;该计算结果已为该梁的抗震设计提供依据,分析方法可为同类结构提供参考。
[Abstract]:Under the rare earthquake, the continuous beam bridge may enter the elastic-plastic state sometimes. Combined with the elevated bridge project of a certain rail transit, the stress state of the bridge under the earthquake is analyzed by using the fiber model, and the analysis shows that, The steel bar at the bottom of the brake pier of the bridge yields under the action of a given earthquake, and the pier enters a plastic state, but the ratio of nonlinear displacement to ductility meets the requirements of the code, and the calculation results have provided the basis for the seismic design of the beam. The analytical method can provide reference for similar structures.
【作者单位】: 武汉市政工程设计研究院有限责任公司;武汉地产开发投资集团有限公司;
【分类号】:U442.55
[Abstract]:Under the rare earthquake, the continuous beam bridge may enter the elastic-plastic state sometimes. Combined with the elevated bridge project of a certain rail transit, the stress state of the bridge under the earthquake is analyzed by using the fiber model, and the analysis shows that, The steel bar at the bottom of the brake pier of the bridge yields under the action of a given earthquake, and the pier enters a plastic state, but the ratio of nonlinear displacement to ductility meets the requirements of the code, and the calculation results have provided the basis for the seismic design of the beam. The analytical method can provide reference for similar structures.
【作者单位】: 武汉市政工程设计研究院有限责任公司;武汉地产开发投资集团有限公司;
【分类号】:U442.55
【共引文献】
中国期刊全文数据库 前10条
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