裂隙介质非饱和渗流多尺度机理与数值模型研究进展  

Review on research advances in multi‐scale mechanisms and numerical models of unsaturated seepage in fractured media

作　　者：杨志兵 周泽雄 薛松[3] 郑小康 叶雨柯 YANG Zhibing;ZHOU Zexiong;XUE Song;ZHENG Xiaokang;YE Yuke(State Key Laboratory of Water Resources Engineering and Management,Wuhan University,Wuhan 430072,China;Key Laboratory of Rock Mechanics in Hydraulic Structural Engineering of the Ministry of Education,Wuhan University,Wuhan 430072,China;College of Hydraulic and Environmental Engineering,China Three Gorges University,Yichang 443002,China;Changjiang Survey,Planning,Design and Research Co.,Ltd.,Wuhan 430014,China)

机构地区：[1]武汉大学水资源工程与调度全国重点实验室,湖北武汉430072 [2]武汉大学水工岩石力学教育部重点实验室,湖北武汉430072 [3]三峡大学水利与环境学院,湖北宜昌443002 [4]长江勘测规划设计研究有限责任公司,湖北武汉430014

出　　处：《武汉大学学报（工学版）》2023年第12期1472-1482,共11页Engineering Journal of Wuhan University

基　　金：国家自然科学基金项目(编号:42077177,42377066);湖北省自然科学基金创新群体项目(编号:2022CFA028)。

摘　　要：裂隙介质非饱和渗流过程的预测和控制对地下工程应用具有重要意义。从渗流机理、预测方法和宏观尺度渗流模拟等方面对裂隙介质非饱和渗流研究进展进行了系统的分析总结。首先,评述了从非饱和单裂隙到交叉裂隙再到裂隙网络不同尺度下的复杂渗流行为及其理论预测方法,并分析了非饱和渗流行为对宏观水力参数的影响;其次,归纳了非饱和渗流数值模型和本构模型及其适用性,简述了不同模型在场地尺度非饱和渗流模拟中的实际应用。这些研究成果提高了对裂隙介质非饱和渗流规律的认识,并为工程应用提供了手段。Prediction and control of unsaturated seepage in fractured media is of great significance for underground engineering applications.In this paper,we systematically analyze and summarize the research advances in unsaturated seepage,focusing on the seepage mechanisms,predictive methods,and macro-scale seepage simulations.Firstly,we review the complex unsaturated seepage behaviors and the corresponding theoretical models at different scales from unsaturated single fractures to cross fractures,and to fracture networks,and analyze the impact of unsaturated seepage behavior on macroscopic hydraulic parameters.Secondly,numerical models and constitutive relations of unsaturated seepage and their applicability are summarized,and the practical applications of different models in site-scale unsaturated seepage simulation are briefly described.These research results have led to improved understanding of unsaturated seepage in fractured media and provided a means for engineering applications.

关 键 词：裂隙介质 非饱和渗流 数值模型 本构模型 工程应用 

分 类 号：TV139.1[水利工程—水力学及河流动力学]