新疆某水库沥青混凝土心墙砂砾石坝渗流分析
Seepage Analysis of Asphalt Concrete Core Wall Sand Gravel Dam of a Reservoir in Xinjiang
杨波1
作者信息
- 1. 新疆兵团勘测设计院集团股份有限公司,新疆 乌鲁木齐 830002
- 折叠
摘要
新疆某水库工程大坝为沥青混凝土心墙砂砾石坝,坝体防渗系统由沥青混凝土心墙+混凝土基座的形式组成.结合地形地质情况,借鉴国内类似工程经验,对工程渗控系统进行合理设计,并采用二维、三维有限元方法进行渗流计算分析.结果表明:在各种计算工况下,工程各部位的渗流场分布合理;各部位的最大渗透比降均未超过其相应部位的允许值,满足渗透稳定要求;坝体、坝基渗流量占河道全年径流量的 1.8‰.该工程渗控系统设计满足规范及设计要求.
Abstract
The dam of a reservoir project in Xinjiang is a sand-gravel dam with asphalt concrete core wall.The anti-seepage system of the dam is composed of asphalt concrete core wall and concrete base.Combined with the terrain and geological conditions,drawing on the experience of similar projects in China,the seepage control system of the project is reasonably designed,and the two-dimensional and three-dimensional finite element methods are used to calculate and analyze the seepage.The results show that the distribution of seepage field in each part of the project is reasonable under various calculation conditions;The maximum permeability gradient of each part did not exceed the allowable value of its corresponding part,which met the requirements of permeability stability;The seepage flow of dam body and dam foundation accounts for 1.8‰of the annual runoff of the river.The design of the seepage control system of the project meets the specifications and design requirements.
关键词
渗流分析/砂砾石坝/沥青混凝土心墙Key words
seepage analysis/sand-gravel dam/asphalt concrete core wall引用本文复制引用
出版年
2024
国家科技期刊平台
NSTL
万方数据