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铺设焊接土工膜是整个防渗系统中较为关键的工序

时间:2019-12-20已阅读过: 16次

       铺设焊接土工膜是整个防渗系统中较为关键的工序。在铺膜前对HDPE防渗膜外观质量进行开包检查,记录并修补已发现的机械损伤和生产创伤、孔洞、折损等缺陷。复合土工膜不应太紧。埋在岩土部分的两端呈波浪状,然后铺设在土工膜上,每层约有10厘米的细砂或粘土层。建造20-30cm的块石(或混凝土预制块)作为冲击保护层。但是,在复合土工膜切割过程中,应特别注意底面等预留的三面宽拼接缝带,以便于膜的施工和拼接,同时便于复合土工膜的充分利用,没有任何问题。

水产养殖防渗采用的土工膜

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养鱼池正在铺设防渗土工膜

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