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在挤扩多盘桩现有的研究成果的基础上,通过半面桩小模型原状土试验,研究了竖向拉力作用下,挤扩多盘桩的盘间距对桩周土体破坏机理的影响,明确了合理的盘间距取值,为竖向拉力作用下挤扩多盘桩的承载力计算及工程设计提供了可靠的理论依据。
Based on the existing research results of squeezing and expanding multi-layer piles, the effect of vertical spacing on the failure mechanism of the soil around the piles under the action of vertical tension was studied. The reasonable value of disk spacing is defined, which provides a reliable theoretical basis for the bearing capacity calculation and engineering design of the multi-layer pile under the action of vertical tension.