水力发电2025，Vol.51Issue(8)：38-43,59,7.
土石坝管涌演化进程中渗流-温度场模拟分析
Simulation Analysis of Seepage-Temperature Fields during the Evolution Process of Piping in Earth-Rock Dams
摘要
Abstract
Piping,as a typical failure mode of earth-rock dams,is closely associated with seepage and temperature throughout its evolution process.This study establishes a numerical simulation framework for the evolution of piping in earth-rock dams based on saturated-unsaturated steady-state seepage theory,the VG model and the Lu model.The framework is compared with existing piping evolution models to verify its feasibility.Based on this framework,the distribution of seepage pressure and changes in saturation during the piping evolution process are simulated,revealing the evolutionary characteristics of the seepage field.Furthermore,the temperature field simulation indicates that the temperature changes exhibit a similar trend to the evolution of the piping channel length,characterized by an initial slow increase,followed by accelerated growth,and ultimately a sudden shift upon the breakthrough of the piping channel.This study reveals the coupled effects of seepage and temperature fields during the evolution of piping in earth-rock dams,providing a scientific basis for the monitoring and early warning of piping-related hazards.关键词
土石坝/管涌/渗流场/温度场/模拟分析Key words
earth-rock dam/piping/seepage field/temperature field/simulation analysis分类
建筑与水利引用本文复制引用
汪魁,谭雯,张胜杰,刘潘,赵明阶..土石坝管涌演化进程中渗流-温度场模拟分析[J].水力发电,2025,51(8):38-43,59,7.基金项目
国家自然科学基金资助项目(51879017) （51879017）
重庆市水利科技项目(CQSLK-2022002) （CQSLK-2022002）
重庆市自然科学基金项目(CSTB202-4NSCQ-MSX1293) （CSTB202-4NSCQ-MSX1293）
