Failure characteristics of surrounding rock in deep coal roadway with composite roof and cross-boundary anchor-grouting graded continuous support technology
To solve the problem of large deformation of roadway with deep composite roof, based on the material roadway of 3205 working face in Xin’an Coal Mine as the engineering background, the deformation and failure characteristics of roadway with composite roof and its influencing factors were analyzed by...
| الحاوية / القاعدة: | Meikuang Anquan |
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| المؤلف الرئيسي: | |
| التنسيق: | مقال |
| اللغة: | الصينية |
| منشور في: |
Editorial Office of Safety in Coal Mines
2023-08-01
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| الموضوعات: | |
| الوصول للمادة أونلاين: | https://www.mkaqzz.com/cn/article/id/a43d0be4-f298-44a1-9fbc-b02a48fd4250 |