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- W2372376430 abstract "In order to analyze the deicing mechanism of crumb rubber asphalt pavement,physical and mechanical properties of ice were studied.Through fracture mechanics analysis of ice layers' breakage on crumb rubber asphalt pavement,strain energy density factor criterion was put forward as the basis for judging ice failure.According to different temperatures and thicknesses,the relationship between elastic modulus and deicing effect was analyzed,and the deformation of road surface under different elastic modulus was gotten.Force and deformation conditions and relationship between elastic modulus and deicing effect were analyzed under the overloading condition.Indoor deicing simulation test was carried out using rut instrument method.The results show that the mixed fracture failure is the main form of the ice failure,which is mainly manifested as mixed mode crack in unstable propagation and radially distributed certainly.Regional crack is fully expanded and crack distribution density reaches some saturation levels under traffic load,and local crushing of ice is caused.With the increase of the external temperature,the ice layer thickness decreases and traffic load increases.Most vertical displacements of road surface and elastic modulus of crumb rubber asphalt mixture for deicing increase gradually,and effects of deicing become better.Indoor deicing simulation test results agree well with those of the theoretical analysis,which proves the reliability of theoretical analysis." @default.
- W2372376430 created "2016-06-24" @default.
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- W2372376430 date "2013-01-01" @default.
- W2372376430 modified "2023-10-01" @default.
- W2372376430 title "Deicing mechanism for crumb rubber asphalt pavement" @default.
- W2372376430 hasPublicationYear "2013" @default.
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