大岗山拱坝整体稳定性数值分析

wf(2014)

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Abstract
大岗山水电站坝址区地形地质条件复杂、地震烈度高,整体稳定性控制难度大。基于大岗山拱坝的地质条件及基础加固处理措施,采用三维非线性有限元法,对正常工况下的坝体位移、应力和超载能力进行了计算分析,并使用超载法研究了大坝结构的整体稳定性。研究结果与国内其它高拱坝工程的对比分析表明,大岗山拱坝的整体稳定性较高,设计措施可行。
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Key words
stability analysis,three dimensional non-linear FEM,overloading analysis,Dagangshan arch dam
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