Abstract:
基于黏性裂缝模型理论,在实体单元中嵌入黏性界面单元(Cohesive Interface Elements),对小湾拱坝的强震破坏过程进行了三维有限元模拟和分析,拱坝的断裂过程和振动台试验的结果接近,从结果可以看出,地震荷载作用下抗震设防的薄弱部位在拱冠梁顶部范围,说明黏性界面单元可以很好地模拟坝体裂缝的断裂和扩展,验证了本文方法的有效性。
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Year: 2015
Page: 99-106
Language: Chinese
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30 Days PV: 3