| 董箐混凝土面板堆石坝地震响应特性研究 |
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| 引用本文： | 田斌,卢晓春,孙大伟,童富果. 董箐混凝土面板堆石坝地震响应特性研究[J]. 水电能源科学, 2012, 30(1): 62-65 |
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| 作者姓名： | 田斌 卢晓春 孙大伟 童富果 |
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| 作者单位： | 三峡大学 水电工程施工与管理湖北省重点实验室,湖北宜昌,443002 |
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| 摘 要： | 针对董箐混凝土面板堆石坝的抗震安全性要求，采用三维非线性动力有限元方法，考虑堆石料的动力非线性及地震时坝体动水压力作用，采用等效线性模型求解坝体的地震反应，获得了该坝在EI-Centro地震波作用下及峰值加速度时坝体和面板的加速度反应、位移反应、应力反应、垂直缝与周边缝位移反应及坝体地震残余变形等地震动力反应特性，揭示了董箐面板堆石坝的地震反应规律与特点，分析了坝体的抗震安全性，论证了设计方案的合理性。
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| 关 键 词： | 水工结构； 地震响应； 三维有限元； 董箐混凝土面板堆石坝 |
Study on Earthquake Response Behaviors of Dongqing Concrete Facing Rockfill Dam |
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| TIAN Bin,LU Xiaochun,SUN Dawei and TONG Fuguo. Study on Earthquake Response Behaviors of Dongqing Concrete Facing Rockfill Dam[J]. International Journal Hydroelectric Energy, 2012, 30(1): 62-65 |
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| Authors: | TIAN Bin LU Xiaochun SUN Dawei TONG Fuguo |
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| Affiliation: | Hubei Key Laboratory of Construction and Management in Hydropower Engineering, China Three Gorges University, Yichang 443002, China;Hubei Key Laboratory of Construction and Management in Hydropower Engineering, China Three Gorges University, Yichang 443002, China;Hubei Key Laboratory of Construction and Management in Hydropower Engineering, China Three Gorges University, Yichang 443002, China;Hubei Key Laboratory of Construction and Management in Hydropower Engineering, China Three Gorges University, Yichang 443002, China |
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| Abstract: | In view of seismic safety requirements of Dongqing concrete facing rock-fill dam, 3D dynamic nonlinear FEM is applied to study the seismic response behavior of Donqing concrete facing rock-fill dam. The non-linear dynamic properties of rockfill materials and the interaction of water and dam under earthquake are considered. The equivalent linear method is used to solve the problem of seismic response of concrete facing rock-fill dam. The dynamic response properties of the dam are obtained in the conditions of EI-Centro seismic wave and peak acceleration of input earthquake curve, such as acceleration response, displacement response and stresses response of rock-fill dam body and its concrete face, displacement response of its peripheral joints and slab joints, and earthquake-induced permanent deformation of the dam. The general law and characteristics of seismic response is put forward for Dongqing concrete facing rock-fill dam. The anti-seismic safety of the dam body is analyzed. The conclusion of the design scheme is proved to be reasonable. |
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| Keywords: | hydraulic structure seismic response 3D finite element method Dongqing concrete facing rock-fill dam |
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