水力发电学报2011,Vol.30Issue(6):109-116,8.
基于广义塑性模型的高面板堆石坝静、动力分析
Static and dynamic analysis of high concrete-faced rockfill dam based on generalized plastic model
摘要
Abstract
Elastic modulus,load and unload plastic modulus of generalized plastic P-Z model were improved by considering pressure dependency of dam-filling gravel materials,and experimental data of static and dynamic triaxial tests of the gravels were used to calibrate the improved model's parameters.By using this model,a static and dynamic finite element method(FEM) was adopted to analyze a gravel concrete-faced rockfill dam(CFRD) of 200m-grade high.The results show that permanent dam deformation under earthquakes can be directly obtained with the improved generalized plastic model,and that the behaviors of static deformation,dynamic responses and permanent deformation obtained through elastic-plastic analysis are reasonable.Thus consideration of pressure dependency by the improved model is feasible and effective.关键词
水工结构/抗震性能/广义塑性模型/高面板坝/有限元分析Key words
hydraulic structure/aseismic ability/generalized plastic model/concrete-faced rockfill dam/finite element analysis分类
建筑与水利引用本文复制引用
邹德高,徐斌,孔宪京,刘京茂,周扬..基于广义塑性模型的高面板堆石坝静、动力分析[J].水力发电学报,2011,30(6):109-116,8.基金项目
国家自然科学基金重点项目 ()
国家自然科学基金委创新研究群体基金 ()
国家自然科学基金重大研究计划项目 ()
国家自然科学基金青年科学基金项目(50808032 ()
809032) ()
中央高校基本科研业务费专项资金 ()