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该文重点介绍大直径冲孔灌注桩及人工挖孔桩施工过程中，如何解决多层溶洞漏浆、堵漏及灌注处理问题，同时也介绍了抽取地下水对周围建筑物影响的处理措施及保证办法。
This article focuses on how to solve the problem of leakage, plugging and filling of multi-layered caverns in the construction process of large diameter punched and cast-in-place piles and manual excavated piles. It also introduces the treatment measures and guarantees of the influence of groundwater extraction on the surrounding buildings. Method.