基于热传导理论的土石坝渗流及温度模拟研究
Simulation Research on Seepage and Temperature of Earth-rock Dam based on Heat Conduction Theory
汤小红1
作者信息
- 1. 江西省水利水电建设集团有限公司,江西 南昌 330200
- 折叠
摘要
水库水位和温度变化会影响大坝渗透压力和大坝变形,对大坝稳定性造成一定影响.以土石坝工程为例,考虑了水位变化和空气温度变化对大坝渗流和坝体温度的影响,采用多孔介质模型中的热传导、对流和扩散方程,模拟了变水位和变温度非稳定边界条件下坝体渗流和温度梯度变化规律.研究结果可为相关土石坝工程监管提供参考.
Abstract
The change of reservoir water level and temperature will affect the seepage pressure and deformation of the dam,which have a certain impact on dam stability.Taking the earth-rock dam project as an example,the effects of water level change and air temperature change on dam seepage and dam body temperature is considered.The heat conduction,convection and diffusion equations in the porous medium model were used to simulate the law of dam seepage and temperature gradient changes under the unstable boundary conditions of variable water level and temperature.The research results can provide reference for relevant earth-rock dam projects.
关键词
热传导/土石坝/渗流/温度梯度Key words
heat conduction/earth-rock dam/seepage/temperature gradient引用本文复制引用
出版年
2023
国家科技期刊平台
NSTL
维普
万方数据