Analysis and calculation simulation on construction of soil nailing for deep excavation support

In accordance with soil nailing for deep excavation support,the 3-dimensional nonlinear FEM analysis and calculation was used to simulate the process of construction.The original stress state and the nonlinear property of soil and the reciprocity between nail and soil were considered in calculation.Then thorough analyses for a case the result including axial force of soil and displacement and shearing strength of the interface between soil and nail were given.At the same time the case proved the result is more accurate by using the soil parameter from back-analysis.