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介绍一种新的处理方案——钻降压井，来解决在钻孔灌注桩施工中，出现采用传统的回填、筑岛方法解决不了的涌水、塌孔现象。为在以后的钻孔灌注桩施工中，处理塌孔、涌水现象提出一种新的施工方法。
Introducing a new treatment program - drilling down well to solve the construction of bored piles, the emergence of the use of traditional backfill, island construction methods can not solve the gushing water, collapsed hole phenomenon. In the future construction of cast-in-place bored pile, a new construction method was put forward to deal with collapse hole and gushing water.