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钻测压孔,为何必须采用干钻而不能湿钻?

Release Date2023-05-29
渗压计钻孔

因为湿钻需要在钻孔时加水,尤其对于土石坝,加水会在坝体里形成管涌现象,会造成孔壁塌陷,严重会导致大坝垮塌。

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