碾压混凝土重力坝整体三维非线性有限元地震反应分析

英文篇名：3D nonlinear seismic analysis of full-monolith RCC gravity dam
中文刊名：水力发电学报
英文刊名：Journal of Hydroelectric Engineering
作者：李德玉 ; 叶建群 ; 涂劲 ; 涂祝明
英文作者：LI Deyu~(1 ; 2) ; YE Jianqun~3 ; TU Jin~2 ; TU Zhuming~3(1.Xi-an University of Technology ; Xi-an 710038 ; 2.China Institute of Water Resources and Hydropower Research ; Beijing 100048 ; 3.East China Investigation and Design Institute ; Hangzhou 310014)
中文关键词：水工结构 ; 整体动力分析 ; 非线性有限元 ; 重力坝 ; 灌浆 ; 键槽
英文关键词：hydraulic structure ; seismic analysis of full-monolith ; nonlinear FEM ; RCC gravity dam ; grouting ; shear-key
出版日期：2009-10-25
机构：西安理工大学;中国水利水电科学研究院;华东勘测设计研究院;
年：2009
期：05
出版单位：水力发电学报

摘要

本文将考虑地基辐射阻尼作用和坝体接缝非线性动力接触作用的大坝-地基体系地震波动反应分析方法用于龙开口碾压混凝土重力坝的整体三维非线性有限元地震时程反应分析,揭示横河向地震输入对重力坝地震反应的影响,研究比较碾压混凝土重力坝分仓横缝采取灌浆或设键槽的不同措施对加强大坝抗震性能的作用。
This paper studies the seismic response of a full-monolith RCC system by adopting a 3D nonlinear FEM.In this model,all the dam monoliths are modeled with consideration of the nonlinear joint contact between the monoliths and the radiation damping of infinite foundation.The results show that the seismic capacity of RCC gravity dam can be enhanced through grouting and shear-key between contraction joints.

引文

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