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管溝内配管の防食

2018-08-13View Original

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マンホール内に敷設される配管は、埋設配管として考慮する必要がありますか?ガラス布やポリエチレンテープのようなものが必要ですか?
Reply #22018-08-13
五油三布:油とはエポキシコールタールペイントで、布とはガラス繊維布のこと。つまり、ペイントを5回塗り、布を3層巻き付ける防食方法です
Reply #32018-08-14
管溝はコンクリート製で、最後に細砂を充填し、管の周囲に土壌はないが、五油三布も必要なのか?

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