大埋深多次扰动大断面失稳煤巷围岩加固技术

doi:10.11799/ce201611012

Abstract

Abstract: Research on the reinforcement technology for large section coal roadway with great depth and multiple disturbances of Sihe mine was carried out with methods of surrounding rock structure filed observation, the anchoring force test and underground experiment. Based on the observation and test results, the comprehensive reinforcement plan of deep-shallow hole grouting and high pre-stressed cable bolting was applied with the consideration of roadway deformation. Restore the original continuous state of broken surrounding rock with grouting, and improve the self-bearing capacity of surrounding rock with high pre-stressed cable bolting. Ground pressure monitoring results show that comprehensive reinforcement technology can effectively control the deformation and maintain a long-term stability of the main entry, and provide technique support for similar conditions.

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URL: http://www.coale.com.cn/EN/10.11799/ce201611012

http://www.coale.com.cn/EN/Y2016/V48/I11/38

References

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Surrounding Rock Reinforcement Technology For Large Section Coal Roadway With Great Depth and Multiple Disturbances

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