Results 11 to 20 of about 1,604,914 (120)
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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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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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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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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Deformation Failure and Support Test of Surrounding Rock in Deep Arched Roadway with Straight Wall
Advances in Civil Engineering, 2021 The deformation and failure of the uphill roadway on the 3rd horizontal track in the No. 6 Mine of Pingdingshan Coal Group was taken as the engineering background.
Shuqi Pan +4 more
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Energy Science & EngineeringTo solve the problem of controlling large deformation of surrounding rock in deep soft rock roadway, the distribution characteristics and deformation mechanism of surrounding rock cracks in soft rock roadway under different lateral pressure coefficients ...
Yujie Ma +5 more
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Fracture distribution and deformation mechanism of surrounding rock in two-way extremely unequal pressure soft rock roadway [PDF]
Meitan xuebaoThe failure of butterfly plastic zone in roadway surrounding rock is an important reason for the large deformation of roadway surrounding rock. In recent years, it has attracted the attention of roadway support workers.
Weijun WANG +5 more
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Research progress of support theory and technology of the roadway surrounding rock based on the plastic zone control [PDF]
Meitan xuebaoWith the increasing depth of coal mining, the stability control of surrounding rock in deep roadway has become one of major problems in the mining field, and the effect of surrounding rock control in deep roadway is directly related to the safe ...
Weijun WANG +3 more
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Meitan xuebaoAiming at the problem of deformation and damage of surrounding rock in the roadway of coal mine back to mining, the study is carried out from the perspective of plastic dissipation generated by surrounding rock, so as to form a stable system in terms of ...
Hongtao LIU +7 more
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Surrounding Rock Stability Classification Method of Coal Roadway Based on In Situ Stress
Advances in Civil Engineering, 2021 In situ stress is one of the most important factors affecting surrounding rock stability classification of coal roadway. Most surrounding rock stability classification methods do not fully consider the influence of in situ stress.
Yongjie Yang, Gang Huang, Lingren Meng
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