【摘要】 采用有限元数值模拟方法,分析了蒲石河抽水蓄能电站面板堆石坝的动力响应特性,计算了堆石坝在地震荷载作用下的模态和振型。基于Westergaard的经典公式,模拟了水库上游水位附加质量对大坝抗震性能的影响。有限元数值计算的堆石坝固有频率和振型为其抗震设计和分析提供理论依据。更多还原

【Abstract】 Dynamical responses of concrete face rockfill dam under the seismic loading are investigated by using finite element method.The modal frequency and shapes of the dam are computed.Based on the classical Westergaard formulas,the influences of added water mass on the upstream of dam on the modal frequency and shapes is simulated numerically.The computing results with finite element method can supply the theoretical foundations for the design of earthquake-resistance of concrete face rockfill dam.更多还原