Results 1 to 10 of about 3,284,481 (140)
Energies, 2019 Gob-side entry retaining (GER) is a hot issue with regard to saving resources and reducing the drivage ratio in longwall mining. This paper investigates an innovative approach of roof presplitting for gob-side entry retaining (RPGER).
Xingyu Zhang +5 more
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Feasibility analysis of gob-side entry retaining on a working face in a steep coal seam
International Journal of Mining Science and Technology, 2014 Based on the decline in exploitation of coal resources, steep coal seam mining and mining face tensions continue to explore the feasibility analysis of steeply inclined faces in the gob.
Yuehua Deng, Shouquan Wang
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Applied Sciences, 2021 The traditional gob-side entry-retaining mining method has problems such as difficulty in roof collapse and large deformation of the entry, which may affect the safety of mine production.
Hainan Gao +6 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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Advances in Civil Engineering, 2021 To study the optimal layout of prefabricated roof cutting line in gob-side entry retaining with roof cutting and pressure relief, based on the engineering geological conditions of 5249 working face in Beipingdong Coal Mine of Baoyuan Mining Company, the ...
Hao Wu, Chuanqu Zhu, Qingfeng Li
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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
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Shock and Vibration, 2020 To solve the control problem of the surrounding rock of gob-side entry retaining under typical roof conditions in deep mines, we conduct theoretical analysis, numerical simulation, and actual measurements.
Jingke Wu +6 more
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Energy Science & Engineering, 2019 The successful retaining of the gob‐side entry under a thick and hard roof stratum is difficult because of the high pressure present and complex construction technology commonly used.
Wanpeng Huang +5 more
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Current situation of gob-side entry retaining and suggestions for its improvement in China
Meitan kexue jishu, 2023 Based on the article of “Status Quo and Suggestions for the Technology Development of Support along Gob-Side Entry Retaining in China” the work summarized the new technological development of gob-side entry retaining in China since the 21st century ...
HUA Xinzhu +5 more
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Gong-kuang zidonghua, 2021 In Lianghuai area of China, due to the influence of the large buried depth of the mine and the complicated roof conditions, when gob-side entry is retained, the roof deformation of the gob-side entry retaining is large, the coal side is easily extruded ...
SHEN Binxue1,2 +7 more
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