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提出了抗滑桩的弹塑性设计理论和抗滑桩与桩前地层协调、同步破坏的设计概念。建立了桩前楔体破坏模式，对楔体进行了稳定分析，得出了稳定分析表达式、楔体空间被动土压力表达式和弹塑性区临界深度计算式
The elasto-plastic design theory of anti-sliding piles and the design concept of coordination and simultaneous destruction of anti-slide piles and piles in front of piles are proposed. The pre-pile wedge failure mode was established and the stability of the wedge body was analyzed. The stability analysis expression, the expression of the passive earth pressure in the wedge body space and the critical depth calculation formula of the elasto-plastic zone were obtained.