Results 1 to 10 of about 33,130 (261)
Study on roadway layout and surrounding rock control of isolated island panel. [PDF]
Sci Rep, 2023 AbstractDuring the re-mining of historical residual coal resources, the stress environment is complex, the surrounding rock conditions are bad, the mining roadway is significantly affected by ground pressure, the layout is difficult, and the safety is poor.
Shi L, Zhang J, Lu W, Lv D, Sun X.
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Study on overburden rock structure characteristics and surrounding rock control technology of island working face. [PDF]
Sci RepBased on the background of ZF2822 island working face in Xiagou Coal Mine, the characteristics of overburden fracture structure and surrounding rock control technology of island working face are explored by means of theoretical analysis, numerical simulation and field measurement.
Haoyu Z +7 more
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Research on Surrounding Rock Control Technology of Dongbaowei Deep Mining Roadway [PDF]
Advances in Civil Engineering, 2021 In order to explore the stability control of surrounding rock in the process of deep mining, comparative analysis of stress, deformation, and fracture characteristics of surrounding rock of deep and shallow mining roadway in dongbaotou coal mine ...
Chengjia Wu, Tao Qin, Lei Wang, Zhi Liu
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Large Section of Soft Rock Gob-Side Entry Retaining Surrounding Rock Control
Advances in Civil EngineeringWhen cutting roof and pressure relief, the impact of blasting is especially obvious on the integrity of the roof of a large-section soft-rock roadway.
Xizhi Wang +6 more
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Geomatics, Natural Hazards & RiskTo prevent severe damage to the surrounding rock of the roadway under the high ground pressure within deep mining, the stress evolution of the surrounding rock was studied, and the surrounding rock control technology in the II1057 roadway of ...
Huaibin Li +4 more
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Deformation Mechanism and Surrounding Rock Control in High‐Stress Soft Rock Roadway: A Case Study [PDF]
Advances in Civil Engineering, 2021 Stability control for soft and broken surrounding rock of roadways is one important segment of mining support. Taking 1412 Roadway of a mine in Guizhou province as a research background, this paper studies the large deformation of surrounding rock and the failure of bolts and cables.
Yuwen Gao +4 more
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Study on failure characteristics and control of soft rock roadway floor
Meitan kexue jishu, 2023 In order to study the regularity of floor heave deformation and instability of soft rock roadway under different horizontal stress boundary conditions, the return air roadway of 50213 working face of Guantun Coal Mine was taken as the engineering ...
ZHANG Jie +7 more
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Technology path and assumptions of intelligent surrounding rock control at longwall working face
矿业科学学报, 2022 The intelligent surrounding rock control at longwall working face is the necessary condition to realize the intelligent mining of working face. This paper redefined the connotation of the surrounding rock system at longwall working face and clarified the
Yang Shengli, Wang Jiachen, Li Ming
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矿业科学学报, 2023 This study analyzes the large deformation failure mode and mechanical mechanism of tunnel surrounding rock, with an aim to lessen the damage of high ground stress soft rock tunnel support structure and large deformation of surrounding rock in southwest ...
Tao Zhigang +4 more
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Research on Pillarless Mining by Gob-Side Caving under Soft Rock Roof Conditions: A Case Study
Applied Sciences, 2023 In China, soft rock roof makes up the majority of coal mine roof, yet it is easy to break due to low strength and poor integrity. As such, it is difficult for the traditional pillar-based roadway protection means and pillarless mining techniques to ...
Jian Hao +6 more
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