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中文摘要：
通过大量的三维面板堆石坝有限元分析，研究不同止水结构形式对面板堆石坝面板应力和接缝位移的影响。在此基础上，建议简化的面板堆石坝接缝模型，简化模型具有简单的表达形式和较少的参数，方便面板堆石坝的有限元计算分析，可满足精度要求。通过对简化模型参数进行敏感性分析，建议简化模型参数取值范围和改善面板应力的工程措施。
英文摘要：
The effects of different water seal structures on stress of facing slab and joint displacements of concretefaced rockfill dam（CFRD） are studied through a large number of three-dimensional finite element analyses. Furthermore, a joint simplified model which is simpler and has fewer parameters is proposed. And it has a good accuracy. Therefore, it makes finite element analysis of CFRD easier. In addition, a range of parameters of simplified model and engineering measures for improving the stress of facing slab are proposed by a sensitivity analysis of parameters.
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