Study on the technology and application of cooperative roadway protection with roof cutting pressure relief and CO2 mineralization and filling [PDF]
Scientific ReportsExploring the possibility of the application of roof cutting pressure relief and filling support collaborative roadway protection technology has important forward-looking significance for deep coal mine mining.
Guangzhe DENG, Hongjian LI
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Applied SciencesThe phenomenon of crushing the support of the hard roof of a coal seam occurs occasionally during the coal mining process. However, making the hard roof fall is difficult due to its good integrity and high strength.
Hanlin You, Zegong Liu
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Analysis of Overburden Structure and Pressure-Relief Effect of Hard Roof Blasting and Cutting [PDF]
Advances in Civil Engineering, 2019 When studying the pressure-relief effect of hard roof blasting and cutting, the roof-cutting position and angle obviously affect the stability of the rock surrounding the gob-side entry (GSE).
Hao Liu +4 more
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Applied SciencesChina’s roof-cutting and pressure relief gob-side entry retaining (RCPR-GER) technology provides an efficient non-pillar mining solution that significantly enhances coal recovery.
Dong Duan +7 more
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Stability and Cementation of the Surrounding Rock in Roof-Cutting and Pressure-Relief Entry under Mining Influence [PDF]
Energies, 2022 The application of roof-cutting and pressure-relief gob-side entry retention plays a critical role in controlling the stability of the surrounding rock at the entry, easing continuity tension and improving resource recovery ratio. The excavation of the 360,803 airway in Xinji No. 1 Mine is affected by intense mining of the 360,805 working face.
MIn TU, Guanfeng Chang
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Sustainability, 2023 In order to solve the problem of serious deformation and failure of surrounding rock and difficult maintenance of gob-side entries with strong mining-induced small coal pillars, taking the A110607 return airway of the Shanwenjiaba Coal Mine as the engineering background, the key parameters of roof-cutting and pressure relief control technology for ...
Zhenqian Ma
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Mechanisms and Applications of Pressure Relief by Roof Cutting of a Deep-Buried Roadway near Goafs [PDF]
Energies, 2020 Affected by high ground stress, the surrounding rock control of a roadway is one of the most important factors restricting the utilization of deep resources. Therefore, it is necessary to propose a method to improve the stress environment of the deep-buried roadway and reduce its deformation.
Yonglu Suo, Chao Su
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Research on Roof Cutting Pressure Relief of the Gob-Side Entry Retaining With Roadside Backfilling
Frontiers in Earth Science, 2022 Based on the application of the retained gob-side entry in a fully mechanized face E2307 headgate, the stress distribution and deformation characteristics of the roadside backfill body for different types of roof cutting were investigated in this study ...
Kun Zhang +4 more
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Application of pre-splitting blasting roof-cutting pressure relief technology for roadway protection under hard roof. [PDF]
Sci RepThe 360,606 working face of Xinji 1# Mine was taken as an engineering case to address the significant safety hazards associated with coal mining under hard roof. A key technical scheme for pre-splitting blasting roof-cutting pressure relief was developed by theoretical analysis, numerical simulation, and field experiments.
Li Y, Chang G, Hu D, Song W.
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Research on surrounding rock control technology of roof cutting and pressure relieving for roadside filling in gob-side entry retaining of large mining height panel [PDF]
Scientific ReportsThis article takes the transportation channel of the 2507 working face as the engineering background to carry out the analysis of the surrounding rock failure mechanism of the roadside filling in gob-side entry retaining of large mining height panel, and
Lu Weiyong +5 more
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