Engineering cases and deviatoric stress distributions under trapezoidal load in coal pillar floor
A mechanical model of the deviatoric stress distribution of the floor under the trapezoidal load was established,and the maximum principal stress formula of the floor under coal pillar was derived,and the response characteristics of the deviatoric stress field of the floor under the different load s...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
Emergency Management Press
2019-04-01
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Series: | 矿业科学学报 |
Subjects: | |
Online Access: | http://kykxxb.cumtb.edu.cn/article/id/207 |