人工挖孔桩
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In the construction of retaining wall with steep slope grade, manual hole digging piles are adopted in combination with reverse working for ramming reinforced concrete wall panel.
高坡挡土墙施工中采用人工挖孔桩,并结合逆作法捣筑钢筋混凝土墙板的方法,具有无需土方大开挖、无需支撑、施工安全和节约基建投资等优点。
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