对非线性土体圆孔扩张理论的研究现状进行分析总结，提出了现阶段该研究领域存在的主要问题，并给出了针对性的研究方向，以供相关研究人员参考借鉴。%The paper analyzes and sums up the research status of the non-linear soil cavity expansion theory,points out its main problems currently, and provides respective research orientation,so as to provide some reference for related researchers.
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