土工布厂家介绍长丝土工布渗沟的表现
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渗沟大多建造在细粒土壤中,往往要采用跨石和砂层分层排放,建造麻烦,施工时间长,石科用量大,建筑费用较商。即使如此,土壤微粒仍会逐渐渗入,沉积在排水管中,或堵塞碎石空隙,影响排水效果。
长丝渗沟是以长丝土工布代替砂石过滤层。即在土沟中用长丝土工布直接包在碎石透水材料的外面。在碎石透水材科内可以根据需要使用或不用多孔排水管。这时,长丝土工布除了有过滤、排木作用外,还有分离作用。
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