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本文对地下墙墙体内力提出了在较软弱地层中采用塑性法的计算公式,并采取对横撑施加轴力以调整墙体内力的计算方法;推导出在较好地层中采用弹性法的计算公式。本文对地下墙的入土深度问题,提出了适用于不同土质条件及考虑了墙体抵抗弯矩或同时考虑土体粘聚力c及内摩擦角φ的两个理论计算公式和一个根据模型试验数据得出的半经验公式。
In this paper, the calculation formula of the plasticity method in the weaker strata is put forward for the internal force of the underground wall, and the calculation method of the axial force of the strut is adopted to adjust the internal force of the wall. The calculation of the elastic method in the better stratum is deduced. formula. This paper proposes two theoretical calculation formulas and a model test data for the depth of the underground wall into soil, which are applicable to different soil conditions and take into account the resistance of the wall to the bending moment or both the soil cohesion c and the internal friction angle φ. Semi-empirical formula.