Results 11 to 20 of about 1,845,683 (177)
International Journal of Mining Science and Technology, 2017 Gob-side entry driving can increase coal recovery ratio, and it is implied in many coal mines. Based on geological condition of 10416 working face tailentry in Yangliu Coal Mine, the surrounding rock deformation characteristics of gob-side entry driving ...
Wenhua Zha +3 more
doaj +4 more sources
Research on Deformation and Failure Law of the Gob-Side Roadway in Close Extra-Thick Coal Seams
Sustainability, 2023 To reveal the deformation and failure law of the gob-side roadway (GSR) and the main influencing factors in close extra-thick coal seams, the research methods of field monitoring, theoretical analysis, and numerical simulation are adopted in this paper.
Tuo Chen, Dazhao Song, Zhenlei Li
exaly +3 more sources
Applied Sciences, 2021 The gob-side roadway in an isolated island working face is a typical representative of a strong mining roadway, which seriously restricts the efficient and safe production of underground coal mines.
Changliang Han +4 more
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Research on the width of filling body in gob-side entry retaining with high-water materials
International Journal of Mining Science and Technology, 2018 To determine the filling body’s width along the gob-side remained roadway which is underneath the gob, the authors analyzed the interaction mechanism between the roof and the supporting body along the remained roadway, based on the elastic thin plate ...
Qingliang Chang +3 more
doaj +4 more sources
Geomatics, Natural Hazards and RiskGob-side roadways are excavations created during the mining process, serving to alleviate mining-induced stress. Previous studies have predominantly focused on the caving method, neglecting the examination of failure mechanisms in gob-side roadway associated with continuous mining and continuous backfilling (CMCB).
Dingchao Chen
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Applied SciencesThe gob-side roadway technique is extensively utilized in coal extraction due to its capacity to enhance coal resource recovery efficiency and mitigate mining sequence conflicts.
Houqiang Yang +6 more
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Geofluids, 2022 The gob-side roadway technology is widely used in coal mining in China, as it can improves the recovery rate of coal resources and alleviate the shortage of mining replacement.
Houqiang Yang +8 more
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Mechanical characteristics and partition control technology in whole life cycle of deep gob-side entry: A case study [PDF]
Scientific ReportsIn deep mining engineering, high-stress roadways frequently experience severe damage, thereby compromising the stability of the surrounding rock. This study investigates the stress-energy evolution in the 31,402 material roadway in Hongqinghe Coal Mine ...
Hua Bian +3 more
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Meikuang Anquan, 2022 The mining technology of gob-side entry retaining is widely adopted by China’s coal mining enterprises because of its high economic significance. However, gob-side entry retaining also has some problems, such as long service time, many times of mining ...
ZHAO Zhiyan
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Distribution Law of Mining Stress of the Gob-Side Entry Retaining in Deep Mining Thin Coal Seam
Advances in Civil Engineering, 2021 In order to explore the mining pressure development rule of gob-side entry retaining during deep thin coal seam mining, FLAC3D numerical simulation is applied to analyze the stress distribution rule of gob-side entry retaining, observing the left third ...
Tao Qin +5 more
doaj +2 more sources