300m级超高直心墙和斜心墙土石坝应力变形分析  

A Stress and Deformation Analysis on 300m Level High Vertical-core And Inclined-core Earth-rock Dams

作　　者：葛立立 褚福永[1] 金伟 白明 GE Lili;CHU Fuyong;JIN Wei;BAI Ming(Faculty ofEngineering,Lishui University,Lishui 323000,Zhejiang)

机构地区：[1]丽水学院工学院,浙江丽水323000 [2]中国电建集团成都勘测设计研究院有限公司,四川成都610072

出　　处：《丽水学院学报》2021年第5期49-55,共7页Journal of Lishui University

基　　金：国家自然科学基金委员会-雅砻江流域水电开发有限公司雅砻江联合基金资助项目“基于颗粒破碎的堆石料长期变形特性与分数阶弹粘塑性模型研究”(U1865104)。

摘　　要：对某300 m级超高直心墙和斜心墙土石坝在蓄水期坝体应力变形的三维有限元计算结果进行了对比分析,结果表明:蓄水期,直心墙坝比斜心墙坝的水平位移和沉降均略小;斜心墙坝的心墙拱效应较直心墙坝的相对较弱;斜心墙的抗水力劈裂能力优于直心墙。计算分析结果可为类似工程及设计提供参考。Throgh the comparative analysis of stress and deformation of 300 m Level High vertical-core and inclined-core earth-rock dams in the period of waterstorage is made by three-dimentional finite element method numerical analysis.The result of three-dimentional finite shows that:The horizontal displacement and veritical displacement of vertical-core earth-rock dams is slightly smaller than inclined-core earth-rock dams in the period of waterstorage.The arch effect of inclined-core earth-dams is relatively weaker than vertical-core earth-rock dams.The ability of resisting hydraulic fracturing of inclined-core earth-rock dams is superior to which of vertical-core earth-rock dams.These conclusion can be for reference in constructing some similar engineerings and the design.

关 键 词：土石坝 直心墙 斜心墙 应力变形 有限元 

分 类 号：TV314[水利工程—水工结构工程]