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渠道防渗简介地处塞外严寒地区的山西省浑源县王千庄灌区,对干砌石、浆砌石和塑料薄膜防渗,进行了观测,从防渗效果、抗冻性能、抗冲能力、维修养护、用工用料等方面比较,认为逆料薄膜防渗,外加干砌石或浆砌石、混凝土予制板铺底护面防冲的渠道衬砌形式,适宜在当地推广。这种做法适用于我国北方,冻害较严重、当地有砂石料的地区。
Channel seepage prevention Brief introduction Located in Shanxi Province, Hunyuan County, Wang Qianzhuang irrigation area is located in the cold outside the plug, the dry masonry, masonry and plastic film seepage, were observed from the seepage effect, frost resistance, impact resistance, Maintenance and maintenance, labor and other aspects of materials, that the anti-seepage material impermeable membrane, plus dry masonry or masonry, concrete to the board to protect the surface of the guard lining channel lining form, suitable for promotion in the local. This approach applies to northern China, more serious frost damage, the local areas with gravel.