通过实例介绍了控制爆破技术在桩孔开挖工程中的应用情况。
The application situations of controlled blasting techniques in pile hole boring are introduced.
基坑开挖或施行人工挖孔桩常常需要进行人工降水。
Dewatering is always necessary in foundation pit excavation and hand dig piles.
着重介绍了挖孔桩小断面开挖中，光面爆破技术的应用。
The article emphasizes on introducing the application of the smooth blasting in the small excavation for the excavation pile.
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。
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。
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.
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