用于加筋土计算的主要方法有极限平衡法和有限单元法两种 ,在利用这两种方法对加筋土体进行稳定性计算时 ,都需要利用土体与加筋界面反应特性参数 .根据大型拉拔试验测定的筋—土接触面特性的数据 ,绘制出剪应力与拉拔位移之间的关系曲线 ,它符合非线性的双曲线规律 ,并求出 5个接触面特性参数 ,可供加筋有限元计算分析之用 The main methods used in the calculation of reinforced soil are limit equilibrium method and finite element method. When using these two methods to calculate the stability of reinforced soil, it is necessary to make use of the parameters of reaction characteristics between soil and reinforced interface. According to the data of the characteristics of the rib-soil contact surface measured by the large-scale drawing test, the relationship curve between the shear stress and the pulling displacement is drawn, which accords with the law of hyperbolic non-linearity and obtains the characteristic parameters of 5 contact surfaces For finite element analysis of the use of reinforcement