The Equivalent Stress Contrast Analyse of Inverse Structure and General Structure Asphaltum Pavement

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Abstract:

Based on the multi-layer elastic system theory , it was elicited that the top basic-layer rigidity was a main determinate factor for the surface-layer bottom maximal equivalent stress. And the more basic-layer rigidity, the less surface-layer bottom maximal equivalent stress, showing the more the partake action of basic-layer to the surface-layer bearing axis load. On the side, bearing the same axis load, the stress passed to groundwork from the inverse structure was most compared with the other structures. So the inverse structure has no predominance in the road structure design.

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1254-1257

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May 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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