膨润土防水毯新材料在衬砌渠道中的应用研究  

Application Study on GCL New Material for Canal Lining

作　　者：程满金 步丰湖 王俊英 叶德忠 曾利彬 高文慧 

机构地区：[1]内蒙古自治区水利科学研究院,呼和浩特010020 [2]河套灌区永济试验站,内蒙古临河015000 [3]临河区水务局,内蒙古临河015000

出　　处：《节水灌溉》2010年第5期46-49,共4页Water Saving Irrigation

基　　金："十一五"国家科技支撑计划重点项目(2006BAD11B09-1)

摘　　要：在内蒙古河套灌区首次采用膨润土防水毯衬砌渠道作为渠道防渗抗冻的新技术。简要说明膨润土防水毯原理,通过室内试验得出膨润土防水毯性能,通过施工实践总结出膨润土防水毯施工工艺。应用已有和自行开发的膨润土防水毯,进行防冻、抗渗观测试验,对冻深、冻胀量、防渗效果和工程造价作出定量结论,已在大型灌区节水改造工程中推广应用。GCL was used as a new material for seepage control and frost heaving control of irrigation canal in Inner Mongolia Hetao Irrigation District for the first time.The seepage control and frost heaving control principles of GCL were explained briefly.The physical properties of GCL were obtained through laboratory test and the GCL construction technique was summarized on basis of its construction practice.The frost depth,frost heave,seepage control performance and construction cost of existing and self-developed GCL were quantified through frost heaving control and seepage control observations and were applied in the reconstruction project for water-saving in the large-scale Irrigation district.

关 键 词：膨润土 膨润土防水毯 保护层 防渗 防冻胀 冻深 冻胀量 

分 类 号：S275.5[农业科学—农业水土工程]