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Abstract:
The objective of this work is to explore the damage healing characteristics between asphalt binder and mastic using newly developed testing procedures under different loading modes. Both the TS and LAS based-healing procedures are conducted on binder and mastic scales. Experimental and analytical results indicate that the addition of mineral powder into binder does not change the fatigue damage evolution trend in the LAS test; however, the effect of mineral powder addition on the HMC shows obvious asphalt-type dependence. Based on the newly proposed QH index and the QHR- based healing criterion, the healing performance correlation between asphalt binder and mastic are interactively explored. The binder and mastic QH indices display a good linear relationship, regardless of loading modes and binder type. Meanwhile, a certain correlation is also found for the damage healing criteria among these two material scales.
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13TH INTERNATIONAL CONFERENCE ON ROAD AND AIRFIELD PAVEMENT TECHNOLOGY 2023
Year: 2023
Page: 702-713
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 4
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