【摘要】 结合锦屏一级高拱坝地形、地质条件 ,针对含断续节理裂隙岩体的强度呈现明显方向性的特点 ,运用三维非线性有限元数值分析方法 ,研究坝体的结构特性及坝肩 (基 )稳定性 ,并采用超载法分析坝肩 (基 )的变形失稳演变过程。计算成果表明 :正常工况下坝体结构变位与应力分布近于对称 ,坝肩整体超载安全系数为 4 .2。更多还原

【Abstract】 In consideration of topographical and geological conditions of Jinping arch dam,and characteristics of joint fissures,the stability of the dam as well as the working condition are studied with 3D non-liner Finite Element Method.The deformation and damage of abutment is analyzed by way of safety coefficient methods of integral overload.It shows that the safety coefficient of integral overload is 4.2.更多还原