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一、前言用于水工建筑物表面衬护或内部防渗的不透水薄膜,统称土工薄膜,这是1984年6月在美国加州丹佛市举行的国际土工薄膜讨论会所作的定义。土工薄膜可用于水库库盘防渗,土石坝的直立防渗层或倾斜防渗层,坝和闸的上游防渗铺盖,混凝土坝的挡水面防渗层,尾矿坝的初期坝防渗层,渠道防渗,污水防渗,危险性废物堆场的封闭,等等。
I. INTRODUCTION The impermeable films used for the surface lining or internal seepage prevention of hydraulic structures are collectively referred to as geotextiles. This is the definition made by the International Symposium on Geotextiles in June 1984 in Denver, California, USA. Geomembrane can be used for seepage prevention of reservoirs and reservoirs, upright seepage prevention layer or inclined seepage prevention layer of earth-rock dam, upstream seepage-proof bedding cover of dam and gate, water seepage prevention layer of concrete dam, initial dam seepage prevention layer of tailings dam , Seepage prevention of channels, seepage prevention of sewage, closure of hazardous waste yard, and so on.