Results 21 to 30 of about 2,631 (179)
The application of grouting reinforcement to the broken surrounding rock of 1366 stoping roadway
矿业科学学报, 2023 This study proposes a fractional grouting reinforcement scheme of the roadway with full section to tackle surrounding rock breakage in the stoping roadway of 1366 working face and roadway deformation, floor heave and support failure.The infiltration ...
Zhang Lixin, Wei Xiujie, Liu Guangchao
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Numerical Simulation of Coupling Support for High-Stress Fractured Soft Rock Roadway in Deep Mine
Advances in Civil Engineering, 2022 Aiming at the difficulties during the support of high-stress fractured soft rock roadway in deep mine, a comprehensive surrounding rock management method of bolt-net-cable-grout coupling support is proposed and the mechanism of interaction between ...
Wenhua Yuan +4 more
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Complex function solution for deformation and failure mechanism of inclined coal seam roadway
Scientific Reports, 2022 The stressed environment of the inclined coal seam roadway is complex and changeable, and the damage degree of surrounding rock increases, threatening the safe mining of coal mines.
Xianyu Xiong +3 more
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Stability of surrounding rock in roadways with fractured rock mass: mechanisms and effects of layout optimization. [PDF]
Sci RepAbstract The stability of surrounding rock in coal mine roadways remains a fundamental concern in underground engineering. Rational roadway layout is essential to prevent strength degradation from fracture coalescence and reduce instability risks.
Hao H +6 more
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Energies, 2022 Anchor cables (bolts) act as the main support system and play an important role in improving the rock burst resistance and stability of the roadway surrounding the rock.
Dong Xu, Mingshi Gao, Xin Yu
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Inverse analysis of dynamic failure characteristics of roadway surrounding rock under rock burst [PDF]
Energy Science & Engineering, 2021 AbstractRock burst is one of the most serious dynamic disasters in the process of coal resources mining, in order to study its occurrence mechanism and the characteristics of its impact on roadways. Based on the No. 25110 working face of Yuejin Mine in Yi Coal Mine and No.
Yushun Yang, Sijiang Wei, Kui Li
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Analysis of Influence of Stress Lode Angle on Stability of Roadway Surrounding Rock
Shock and Vibration, 2021 Based on the variation range of the stress lode angle, the in situ rock stress is divided into σv-type stress field, σH-type stress field, and σh-type stress field.
Yihong Liu +5 more
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Geofluids, 2022 Aiming at the characteristics of large deformation and long deformation time under the mining influence of the 2254 east floor roadway surrounding rock, which under the condition of complex coal occurrence in Jiahe Mine.
Hai Wu +5 more
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矿业科学学报, 2017 The distribution of plastic zone of surrounding rock in deep mining roadway is the key to control the stability of surrounding rock. Taking the deep mining roadway of Xingdong Mine as the research background, according to the "butterfly-shaped" plastic ...
Li Yongen +4 more
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Control theory of uniform strength support in deep roadway
矿业科学学报, 2021 In this paper, a large number of coal mine roadway failure cases are investigated, and 6 types and 15 typical failure forms are extracted.The mechanical characteristics and stress distribution of surrounding rock of typical roadway shapes such as ...
Zuo Jianping +4 more
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