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Creep model of roadway surrounding rock considering hardening effect and damage effect
PLOS OneThe influence of confining pressure on creep characteristics was analyzed by carrying out creep tests of rocks under different confining pressures. A new creep model of roadway surrounding rock considering the combined influence of hardening effect and damage effect is established by introducing hardening function and damage variable. Combined with the
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Effect of Stresses and Strains of Roadway Surrounding Rocks on Borehole Airtightness
Journal of Engineering Science and Technology Review, 2016 WU Wei, WANG Zhaofeng, JEN An
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Surrounding Rock Pressure of Deep Roadway and Influences on Advance Support
DEStech Transactions on Computer Science and Engineering, 2017 Guang-Hui XUE +4 more
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Investigating the scale effect on strength and failure mechanism of roadway surrounding rock
Scientific ReportsWu, Jingke, Xie, Fuxing, Wang, Yunfei
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Gong-kuang zidonghua, 2011 For operation roadway of anchor net support with rock burst hazard, the paper analyzed mechanism that anchor of roadway restrains hazard of pressure bump by use of dynamic theory and researched influence degree of different anchor parameters on surrounding rock of roadway with rock burst hazard by use of numerical simulation software FLAC3D.
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Stability prediction of roadway surrounding rock using INGO-RF
Geohazard MechanicsXinchao Cui +5 more
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Deformation characteristics of surrounding rock of broken and soft rock roadway
Mining Science and Technology (China), 2009Abstract A similar material model and a numerical simulation were constructed and are described herein. The deformation and failure of surrounding rock of broken and soft roadway are studied by using these models. The deformation of the roof and floor, the relative deformation of the two sides and the deformation of the deep surrounding rock are ...
Jin-xi WANG +3 more
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Energy Evolution Law during Failure Process of Coal–Rock Combination and Roadway Surrounding Rock
Minerals (Basel, Switzerland), 2022 The deformation and failure of a coal–rock system in a deep environment is affected by its own mechanical properties, natural endowments, and geological structures; it is very important to study the energy evolution law of coal–rock systems. For this purpose, a Particle Flow Code in 2 Dimensions (PFC2D) simulation was conducted to assess the coal–rock ...
Weiyao Guo +2 more
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Development of fractures in soft rock surrounding a roadway and their control
Mining Science and Technology (China), 2011Abstract As the excavation of roadway, new fractures will be formed and the pre-existing fractures extend with the redistribution of stress in surrounding rocks. Eventually, fracture zone and bed separation are formed in rocks because of the developed fractures.
Xuehua Li +4 more
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Applying Neural Network to Predict Roadway Surrounding Rock Displacement
2020 5th International Conference on Intelligent Informatics and Biomedical Sciences (ICIIBMS), 2020Apply artificial intelligence methods to solve underground engineering problems. First, the factors affecting the displacement of the surrounding rock of the mine roadway are analyzed, and the four indexes that affect the displacement of the roadway are used as the input layer of the neural network. Then, the approach rate of the roadway is used as the
TANG Jun-Yi +4 more
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