Analysis on the Stress of Hexagon Cement Block under Heavy Load and Overload Vehicles Based on Finite Element Method

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Abstract:

The growth rates of stress in the hexagon , square and octagon cement blocks under different vehicle loads were analyzed using the finite element method (FEM). The growth rate of bottom layer stress of the hexagon is the smallest among them when vehicle loads increase. Under the 400kN loads, the growth rate of bottom layer stress of the hexagon significantly reduced as the thickness increase. When its thickness is up to 28cm,the bottom layer stress is the smallest among the three kinds of shapes. The results show that the hexagon cement block is the most suitable for overload vehicles obviously when compared to the square and octagon cement block. Therefore, hexagon cement block is the most suitable for the roads which are always under heavy and overload vehicles .

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Advanced Materials Research (Volumes 1065-1069)

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733-736

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December 2014

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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