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电厂蒸汽管道系统地震响应分析

Ping Tan,Lei Xu,Xiao-cong Ling

Jilin Daxue Xuebao (Gongxueban)/Journal of Jilin University (Engineering and Technology Edition)（2006）

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Abstract
采用有限元建模,考虑了管系的复杂约束、管系设备、吊架、弯头特性的影响,对由地震激发的管道系统的动态响应进行了分析.计算出了由三维地震激发的管系模态、管系位移、转角响应幅值以及地震激发的管系模态响应系数.在地震响应仿真中使用了随机谱方法,将EIcentro地震谱载荷施加到x、y、z三个方向上的管系上.研究结果表明,地震对管系有重要影响,在管道设计时应该加以考虑,并提出了提高管系抗震的措施.
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Key words
Construction of hydraulic engineering,Control,Dynamics,Earthquake,Pipeline,Response
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