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Gold Science and Technology. 2024, (06) Core

Study on the Creep Mechanical Properties of Phyllite Under the Coupling Effect of Excavation Unloading and Pore Water PressureChinese Full Text

CAI Hongyu;WANG Yunmin;LI Xiaoshuang;GENG Jiabo;School of Emergency Management and Safety Engineering,Jiangxi University of Science and Technology;State Key Laboratory of Safety and Health for Metal Mines;School of Urban Construction,Changzhou University;School of Civil Engineering,Qilu Institute of Technology;

Abstract: Excavation disturbances induce high stress concentrations and stress redistribution within the mine rock body. Additionally,hydraulic factors diminish the rock body’s strength. Mines situated in the southern region of China are particularly susceptible to disasters during the rainy season due to the influence of rainfall.Therefore,investigating the combined effects of these factors on the mechanical properties of mine rock is of significant importance for ensuring the long-term stability of mine... More
Keywords：

excavation unloading; pore water pressure; phyllite; mechanical property; creep test; coupling effect;

  • Series：

    (B) Chemistry/ Metallurgy/ Environment/ Mine Industry

  • Subject：

    Mining Engineering

  • Classification Code：

    TD313

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