Weiyuan Zhou,Guanglin Du & Qiang Yang,Dept.of Hydraulic Engineering,Tsinghua University, Beijing,China
<正>Due to the complex rock formations,the dam's abutments,especially the left abutment require reinforcement to enhance the dam's overload safety.The reinforcement is presented and its effect on overload safety discussed.The mechanism of reinforcement after geomechanical model test and FEM analysis is given. Both model test and numerical calculation show that the overload safety factor has increased from the original 3.0 to more than 5.0 as a result of the reinforcement.
The reinforcement of abutment at Lijiaxia arch dam;test;rock;FEM;
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