基于三维有限单元的混凝土单支墩大头坝安全性评价  

Safety evaluation of concrete single supporting pier massive-head buttress dam based on three dimensional finite element

作　　者：张铁[1] 

机构地区：[1]辽宁省汤河水库管理局,辽宁辽阳111000

出　　处：《中国水能及电气化》2015年第9期55-58,共4页China Water Power & Electrification

摘　　要：混凝土大头坝因其结构的特殊性,很难采用常规方式计算其坝体自重、扬压力、惯性矩等,因此,很难通过常规理论计算对其安全性进行评价。本文结合桓仁水电站单支墩大头坝,运用AUTOCAD建模和三维有限单元法剖分方式,计算分析了其动应力及应力分布,评价了现状混凝土大坝安全性,希望对类似工程评价有所借鉴。It is difficult to adopt conventional method to calculate dam body dead weight, uplift pressure, moment of inertia, etc. of concrete massive-head buttress dam due to the structure speciahy. Therefore, it is difficult to evaluate the safety through conventional theory calculation. In the paper, Huanren Hydropower Station single supporting pier massive-head buttress dam is combined. AUTOCAD modeling and three-dimensional finite element method subdivision modes are adopted for calculating and analyzing the dynamic stress and stress distribution. Current concrete dam safety is evaluated. It is expected that the paper can provide reference for similar projects evaluation.

关 键 词：混凝土单支墩大头坝 安全性 应力 

分 类 号：TV642[水利工程—水利水电工程]