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本文阐述大直径现浇混凝土薄壁筒桩在基坑支护中的应用。讲述大直径现浇混凝土薄壁筒桩的施工流程、操作要点以及在基坑支护应用中取得的效益。实践证明,在基坑支护中,用大直径现浇混凝土薄壁筒桩取代钻孔灌注桩,施工速度快,没有泥浆污染,成本降低,具有非常明显的经济与社会效益。
This paper describes the application of large diameter cast-in-situ concrete thin-wall tubular pile in foundation pit support. Discusses the construction process of large-diameter cast-in-place concrete thin-wall tubular piles, operating points and benefits in the application of foundation pit support. Practice has proved that in the foundation pit support, the use of large diameter cast-in-situ concrete thin-walled pile instead of bored pile construction speed, no mud pollution, reduce costs, with very significant economic and social benefits.