Study on damage mechanism and treatment of water sprayed roof in Jurassic stratum roadway
The roof of the Jurassic main coal seam in western China generally contained low level weak rich water layer, which led to the long-term watering of the roof of the coal roadway especially the roof anchor cable hole and the reduction of the roof surrounding rock strength and the roof support effect,...
Main Authors: | , , , , , , |
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Format: | Article |
Language: | zho |
Published: |
Editorial Department of Coal Science and Technology
2023-09-01
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Series: | Meitan kexue jishu |
Subjects: | |
Online Access: | http://www.mtkxjs.com.cn/article/doi/10.12438/cst.2022-1200 |