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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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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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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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Shock failure mechanism of roadway in extra thick coal seam and full anchor cable support technology
Meitan xuebao, 2023 In view of the serious shock failure of roadway in extra thick coal seam, based on elastic mechanics and shock dynamics, this paper studies the shock failure mechanism of roadway in extra-thick coal seam, reveals the main influencing factors of roof coal
Mingshi GAO +4 more
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Analysis of the impact of the combined use of rebar bolts and FRP bolts in the roadway enclosure
Scientific Reports, 2023 In order to investigate the support effect of the combination of FRP bolts and rebar bolts in the roadway, taking a coal mine as the background of the project, research and analysis of the engineering geological conditions of the mine and the layout of ...
Jinguo Lyu +5 more
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Advances in Civil Engineering, 2021 In order to effectively solve a series of problems such as the difficulty of coal and rock interbed roadway support in Gaojiazhuang Coal Mine and get a scientific and reasonable optimization scheme of surrounding rock support, theoretical analysis ...
Chaolin Liu, Guohua Zhang
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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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Damage evolution and failure warning in early-age flexible-formwork concrete for underground support
Geohazard MechanicsThe evolution law of mechanical properties and damage characteristics of early-age flexible formwork filling concrete have a decisive influence on the stability control of surrounding rock of large deformation roadway.
Zijun Han +7 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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Frontiers in Earth ScienceChina’s coal mines are mainly underground mines, and a large number of roadways have to be excavated underground. It is of great significance for coal mine production to adopt safe and reasonable roadway support methods.
Wanwei Fang +7 more
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