Evaluation and improvement on analysis of plastic zone in roadway surrounding rock under unequal compression in two directions
Based on the special lateral pressure coefficients of 1,the radius of surrounding rock plastic zone obtained by approximate implicit method has a large theoretical error contrasted with the corresponding analytical solution of the mature axisymmetric plane strain theory.In order to improve this shor...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
Emergency Management Press
2019-06-01
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Series: | 矿业科学学报 |
Subjects: | |
Online Access: | http://kykxxb.cumtb.edu.cn/article/id/216 |