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本文回顾了前人基于旁压试验对土体强度特性的研究成果,考虑垂直应力σ_Z对应力场的影响,通过对旁压孔壁土体的塑性应力分析,从理论上建议了用旁压试验推求土体强度指标的一种新方法。
This paper reviews the results of previous researches on the strength properties of soil based on the side pressure test. Considering the effect of vertical stress σ_Z on the stress field, the authors theoretically recommend the use of a side pressure test by analyzing the plastic stress of the side pressure hole wall soil. A new method to derive the soil strength index.