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- W2392516871 abstract "Platform has a good function to baffle dangerous rock masses movement after falling.Based on stopping and accumulation effects of experiments of platform on rolling rock blocks,the stopping position and the average resistance coefficient of rock blocks on platform are analyzed by using the multivariate nonlinear regression model.The relations between the stopping position and the major factors such as the rock block mass,the rock block shape,the velocity of the rock block just falling on the platform,and the roughness of the platform surface,are analyzed.And the relations between the average resistance coefficient and these factors are also analyzed.Then the factors relativity is analyzed.Moreover,the multivariate nonlinear regression model is predicted.Finally,the effect of rock block mass on the stopping position is analyzed specially.The following results can be drawn.(1) The stopping position and the average resistance coefficient are influenced by rolling rock block mass,shape,velocity when just arriving at platform,and the roughness of the platform surface.Their relations can be expressed by the multivariate nonlinear regression formulas.And the predicted stopping position and average resistance coefficient by the method nearly coincide with practical ones.(2) The mass of rolling rock block,initial position(slope height),and the roughness of the platform have a certain influence on the stopping position.In other words,the stopping position of the rolling rock block and its mass accord nearly with power function.The more the rolling rock block mass ist,he higher the slope height is,and the longer the displacement on the platform is for same mass of rolling rock block.Then new feasible methods to prevent potential unstable rock masses are put forward.The results are helpful to make out a draft for geohazards prevention." @default.
- W2392516871 created "2016-06-24" @default.
- W2392516871 creator A5088489565 @default.
- W2392516871 date "2009-01-01" @default.
- W2392516871 modified "2023-09-23" @default.
- W2392516871 title "PLATFORM RESISTENT TEST ON ROLLING ROCK BLOCKS" @default.
- W2392516871 hasPublicationYear "2009" @default.
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