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提要:大面积打入式挤土桩对于液化地基土具有加密作用,并且桩身在一定程度上限制了桩间液化土的变形,对于减轻地基土液化作用是有利的。本文通过一工程实例,比较沉桩前后地基土的液化检验结果,并分析了检验时需要重点注意的事项,以此对类似工程的勘察和设计提供借鉴和参考。
Abstract: The large-area driven soil compaction pile has the effect of encrypting the liquefied foundation soil, and the pile body limits the deformation of the liquefied soil between the piles to a certain extent, which is beneficial to reduce the liquefaction of the foundation soil. In this paper, through an engineering example, the liquefaction test results of foundation soil before and after pile driving are compared, and the matters needing attention during inspection are analyzed, so as to provide reference and reference for the investigation and design of similar projects.