Opposite Analysis Used in Rock Engineering
Wang Chunjing (Research Institute of Guiyang Institute of Exploration and Designing, Ministry of Water Conservancy and Power of China)
It is well -known that a rock body is an extremely complex geologic body,which has different directional features of anisotropy ; therefore, the rock body stress fields and-other mechanic parameters are generally determined through a large number of tests. In this way,not only much work and time are wasted,but also the result is difficultly obtained and not ideal. Based on the researches on some achievements at home and abroad,this paper deals with the computation of theory by using mechanics,observation of data according to partial deformation of engineering and determination of original crustal stress of wide field and elastic modulus value by using opposite analysis method can greatly reduce the amount of testing work,test and verify each other,and improve engineering efficiency. Through sample computation,it has been proved that this method is of certain practical value in engineering.