摘要
水布垭水利枢纽坝址区岩溶化程度较高 ,结合其左岸防渗帷幕布置设计 ,针对岩溶介质中渗透水流的特点 ,建立了基于改进折算渗透系数法的岩溶渗流有限元数值计算分析模型。通过对不同防渗帷幕布置方案进行比较 ,较深入地分析了帷幕的长度和深度、岩溶管道以及岩层和帷幕的渗透性对渗流场的影响 ,提出了可节省 2 2 .5
The degree of karstification in the dam site of Shuibuya hydro project is high, this article establishs finite element model of numerical calculation and analysis about karst seepage based on Improved Convert Permeability Coefficients Method, combining with its disposal of anti-seepage curtain in left bank and aiming at the seepage characteristics in karst media. The length and depth of curtain, karst conduit and the permeability of rock stratum and curtain, their influence to seepage area is deeply analyzed by comparing different disposals of anti-seepage curtain. An optimization disposal which may save 22.5 percent of anti-seepage curtain is proposed.
出处
《水电能源科学》
2005年第1期36-39,共4页
Water Resources and Power
关键词
岩溶
渗流
帷幕
优化
karst
seepage
curtain
optimization
