西津水电站厂房主机间抗震安全分析
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摘要
文章采用三维有限元法计算了西津水电站主机间3号和4号机组段地震作用下的动力响应,对主机间特征点位移和应力进行复核,对厂房地基面法向力进行了强度复核,对建基面抗滑稳定进行安全复核。计算结果表明,主机间结构设计合理,整体安全。
This article adopts 3D FEM to calculate the dynamic response of 3# generating unit and 4# generating unit of Xijin Hydropower Station under the earthquake action.The displacement and stress of typical parts in the main powerhouse are calculated.The normal stress strength and the safety factor of stability against sliding in the foundation building surface of the main powerhouse are checked.The results show that the structural design of the main powerhouse is reasonable and safe.
引文
[1]GB18306-2001,中国地震动峰值加速度区划图[S].
    [2]DL5073-2000,水工建筑物抗震设计规范[S].
    [3]DL5077-1997,水工建筑物荷载设计规范[S].
    [4]DL/T5057-1996,水工混凝土结构设计规范[S].
    [5]SL266-2001,水电站厂房设计规范[S].

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