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- W2367849045 abstract "The roof was assumed to be an elastic rectangular plate as the fixed boundary,the strip coal pillar was approximately equivalent to Winkler elastic foundation with a continuous distribution.Based on the Winkler elastic foundation and rheological theory,the differential equations of viscoelastic model were constructed under dynamic loads of rectangular plates with the fixed boundary on viscoelastic foundation,and the effect of the system stability characteristics was investigated by changing the external load frequency.The effects of changing system parameters on striping mining system dynamic instability region were investigated.The results show that the system vibration amplitude was particularly sensitive to the changes of the external loading frequency.The system damping and stiffness as well as the recovery ratio played a key role in the unstable region.By adjusting the system stiffness,geometry amd the mechanical state,the instability of the strip mining system could be prevented.Specific countermeasures were provided to achieve this effect." @default.
- W2367849045 created "2016-06-24" @default.
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- W2367849045 date "2013-01-01" @default.
- W2367849045 modified "2023-09-27" @default.
- W2367849045 title "Instability characteristics of strip mining system under dynamic loading" @default.
- W2367849045 hasPublicationYear "2013" @default.
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