BACK-ANALYSIS AND STATISTICS REGRESSION MODEL FOR IN-SITU STRESS FIELD

Based on rock mass engineering geomechnical theory and probability and statistics for engineering, establish a 3-D FEM back-analysis and statistics regression analysis model for in-situ crustal stress field. The model overcomes the shortcomings of the boundary loading adjustment method etc .It is practicable and easily manipulated, which can back-analyze the region situ crustal stress field quickly and accurately.