高面膜堆石坝关键设计概念与设计方法  

Key design concepts and approaches of high membrane faced rock-fill dams

作　　者：束一鸣[1] SHU Yiming(College of Water Conservancy and Hydropower Engineering,Hohai University,Nanjing 210098,China)

机构地区：[1]河海大学水利水电学院,江苏南京210098

出　　处：《水利水电科技进展》2019年第1期46-53,共8页Advances in Science and Technology of Water Resources

基　　金：国家自然科学基金(51379069)

摘　　要：针对高面膜堆石坝的特点,分析高面膜堆石坝防渗面膜变形原理和几种主要防渗面膜材料的变形特点,阐述防渗面膜选择与设计、防渗面膜铺设设计以及周边锚固设计等方法。梳理和分析防渗面膜变形安全校核方法,提出较为系统的面膜变形安全校核方法;指出以往研究中关于颗粒垫层上防渗面膜液胀变形校核方法存在的问题,提出了比较符合工程实际且易于工程设计应用的液胀变形校核方法。Based on the properties of high membrane faced rock-fill dams(MFRD),deformation principles of the seepage-proofing face membrane and the deformation characteristics of the main materials are analyzed.The design and selection of face membranes and their spread out and periphery anchorage are expounded.The safety check method of the anti-seepage membrane deformation is analyzed and a systematic safety check method for face membrane deformation is proposed.After pointing out the defects about safety check method for liquid expansion of face membranes on gravel cushion in early research,a more feasible safety check method in engineering design and application is proposed.

关 键 词：高面膜堆石坝 防渗面膜 变形特性 设计与校核方法 夹具效应 

分 类 号：TV641.4[水利工程—水利水电工程]