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在深层搅拌桩体中打入钻孔灌注桩使之构成一体,共同挡土和止水,再在顶部加设钢筋混凝土环板形成自撑式深基坑支护结构。
The deep-mixed pile body is driven into the cast-in-situ pile to form an integral body, and the earth retaining and the water stoppage are jointly used. A reinforced concrete ring plate is further added at the top to form a self-supporting deep foundation pit support structure.