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- W2378613483 abstract "The plastic zone near the tip of crack of jointed rockmass is produced under the compression-shear stress condition.In the paper,the expending path is investigated from the angle of strain.The prestress of anchor cable is inflicted by the method of equivalent strain and temperature.The mechanism of reinforcement of prestressed anchor cable on crack prevention of different angles by mini-plastic zone displacement is simulated by finite elements.The change of stress strength and strain and the change rule of displacement of middle points of crack faces are compared under different prestressed consolidated conditions.It is shown that the role of cracks of 30°–60 °is more evident than that of other cracks under prestressed consolidation condition.When the angle of crack is 45°,the consolidated role of rock mass is the best evident.Here the concentration effect of stress and strain near crack tip is weakened.When the angle of crack is 0 ° and 90°,respectively,the mini-plastic zone displacement at crack tip is larger under prestressed consolidation than that without prestressed consolidation.The effect of compression of jointed rock mass is large than the effect of shear under prestressed consolidated condition." @default.
- W2378613483 created "2016-06-24" @default.
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- W2378613483 date "2007-01-01" @default.
- W2378613483 modified "2023-09-26" @default.
- W2378613483 title "STUDY ON NUMERICAL SIMULATION OF REINFORCEMENT ON CRACK PREVENTION OF JOINTED ROCKMASS" @default.
- W2378613483 hasPublicationYear "2007" @default.
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