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介绍湛江海湾大桥主墩大直径百米超深钻孔桩平台的施工、桩基钢护筒施打、钻孔护壁泥浆控制、钻进以及清孔、灌注水下混凝土等工艺。
Describes the Zhanjiang Bay Bridge main pier large diameter one hundred meters ultra-deep bored pile platform construction, pile-based steel casing protection, drilling mud retaining wall control, drilling and cleaning, pouring underwater concrete and other technology.