改进了极限平衡理论，用于非极限状态主动土压力的研究。
The limit equilibrium theory is improved, and used in the research of active earth pressure under non-limit state.
基于轴对称情况下土体的极限平衡理论，将圆形基坑主动土压力的滑移线解推广到非均匀堆载情况。
Based on the limit equilibrium theory for axially symmetric condition, the active earth pressure of circular pit obtained with slip-line method was extended to non-uniform surcharge loading.
为了更准确的进行挡土墙设计，有必要对非极限位移时的土压力计算进行研究。
In order to design retaining walls more accurately, it is need to research the calculation of earth pressure with non-limit displacement.
为了更准确的进行挡土墙设计，有必要对非极限位移时的土压力计算进行研究。
In order to design retaining walls more accurately, it is need to research the calculation of earth pressure with non-limit displacement.
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