Study on Nonlinear Overload Safety Analysis of Sanhekou RCC High Arch Dam
Sanhekou arch dam is the second highest roller compacted concrete arch dam in China,which has complex structure and great comprehensive difficulty.The safety degree of Sanhekou high arch dam under nonlinear overload is analyzed by simulation calculation,and the comprehensive technical evaluation is carried out.The safety degree of arch dam is preliminarily given.Compared with similar high arch dam projects,the stress state and development trend of dam body are clarified,and the relatively weak parts of dam abutment rock mass are put forward.It is suggested that the corresponding engineering reinforcement treatment should be carried out to ensure the safe operation of arch dam structure,which provides a very useful reference for similar engineering design.
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