由于桩基础的大规模应用，静压桩挤土效应对周围环境产生的影响广泛引起了人们的注意。
Due to the wide application of pile foundation, the compacting effect caused by the penetration of jacked pile has influence on the surrounding environment, which have been widely drawn attentions.
本文对压桩挤土效应方面的研究成果进行了综述，重点讨论了室内和现场试验、圆孔扩张理论、有限元计算的研究概况。
In this paper research results are reviewed on compaction effect of jacked pile, specially on in-situ and laboratory experiments, the theory of cavity expansion and finite element method.
夯扩桩在成桩过程中会产生挤土效应。
Compacting effect is caused in forming process of ramming expanded piles.
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