Study on Open-Graded Cold Mend Material’s Road Performance of Porous Asphalt Pavement

Geng Tian Chen; Jian Guang Xie; Zhao Xin Wang; Bing Yang Zhang

doi:10.4028/www.scientific.net/KEM.861.421

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 861Study on Open-Graded Cold Mend Material’s Road...

Study on Open-Graded Cold Mend Material’s Road Performance of Porous Asphalt Pavement

Abstract:

Porous asphalt pavement is widely used in domestic engineering, whose repair technology is still a problem in engineering application. Rut specimens for porous asphalt pavement are made, so the actual repairing condition of porous asphalt pavement can be simulated after slotting and repairing by open-graded cold mend material. In addition, the repair efficiency of open-graded cold mend material was verified. The results of the pullout test show that when the spraying dosage is 0.75L/m², the bond behavior of bonding oil is best excellent. The Accelerated Loading Facility (ALF) indicated that the cold mend material has favorable abrasion resistance properties, and the abrasion resistance is less effected by the spraying dosage of bonding oil. Meanwhile, it’s reveled that the permeability coefficient of rut specimen repaired by cold mend material decreases with the increase of spraying dosage of bonding oil in the permeability test, and too much bonding oil will seriously affect the rut specimen’s original permeability.

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Periodical:

Key Engineering Materials (Volume 861)

Pages:

421-428

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.861.421

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Online since:

September 2020

Authors:

Geng Tian Chen, Jian Guang Xie*, Zhao Xin Wang, Bing Yang Zhang

Keywords:

Open-Graded Cold Mend Material, Performance Evaluation, Porous Asphalt Pavement, Water-Borne Epoxy Resin

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