欧田水电站浆砌石主坝三维有限元分析

摘要

Built around 1949, most slurry masonry dams in our country have been running for nearly fifty to sixty years, some of which are old dams. Taking the masonry gravity dam in Outian Reservoir for example, the stress and deformation a-nalysis is conducted based on 3D finite element method under three kinds of working condition, and the obtained numerical simulation can well reflect the stress and strain distribution of the dam, which offers references for the design of masonry gravity dams, and provides effective countermeasures for engineering construction.%我国浆砌石坝大部分在1949年前后建成,到目前已经运行近五六十年,有些砌石坝已属老坝.以欧田水电站浆砌石主坝为例,采用三维有限元计算方法,结合三种工况对其进行应力变形分析,所得到的数值模拟,能够比较好地体现大坝坝体的应力应变分布规律,为浆砌石重力坝实际工程的设计提供了不少的参考,同时也能为混凝土重力坝等修建提供了有效的建议.