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...

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Bibliographic Details
Main Authors: Dong Hailong, Gao Quanchen
Format: Article
Language:English
Published: Emergency Management Press 2019-06-01
Series:矿业科学学报
Subjects:
Online Access:http://kykxxb.cumtb.edu.cn/article/id/216