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分别从旋挖钻机施工、冲击钻机施工以及长螺旋钻机施工三种机械成孔灌注桩施工方法探讨了机械成孔灌注桩施工技术的优缺点。同时,结合施工实际情况,详细论述了机械成孔灌注桩施工中存在的主要问题,提出了对应的解决措施,形成了相对完善的机械成孔灌注桩施工技术体系。
The advantages and disadvantages of the construction technology of mechanical pored hole piles were discussed respectively from the construction methods of rotary drilling rig construction, impact drilling rig construction and long auger drilling machine construction. At the same time, combined with the actual situation of construction, the paper discusses in detail the main problems existing in the construction of mechanical bored cast-in-place piles, puts forward corresponding solutions and forms a relatively complete technical system of mechanical bored piles.