摘要
利用反演预测模型,结合混凝土面板堆石坝原型观测资料,对大坝填筑料的邓肯E-B模型参数进行反演分析,并用反演所得的坝体材料参数及其实际填筑过程进行有限元计算,得到坝体及面板的变形值;利用模型对水库蓄水三年后的变形值进行计算;根据实际监测结果与计算值进行对比,证明了有限元计算结果的合理性。
Back analysis of the Duncan EB model’s parameters of material building in dam is carried out by using inversion prediction model and prototype observation data of the concrete face rockfill dam.Deformation values of dam and face plate are obtained by FEM analysis using the parameters of dam material,considering its actual filling process.Then the model is used to predict deformation values after three years of reservoir impounding.According to comparisons between monitoring results and predicted values,the rationality of the finite element calculation results and the effect on construction and operation management are both analyzed.
作者
梁希林
刘枫
LIANG Xilin;LIU Feng(Power Plants of Tai-Pingwan,Dandong 118000,China;China Water Northeastern Investigation,Design&Research Co.,Ltd,Changchun 130061,China;Research Center on Cold Region Engineering Ministry of Water Resources,Changchun 130061,China)
出处
《中国水利水电科学研究院学报》
北大核心
2019年第6期423-431,共9页
Journal of China Institute of Water Resources and Hydropower Research
关键词
混凝土面板堆石坝
变形
有限元计算
反演分析
预测
concrete panel rockfill dam
deformation
finite element calculation
back analysis
prediction
