|Table of Contents|

Influence of material characteristics on adhesion at interface between asphalt and aggregate(PDF)

长安大学学报（自然科学版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2010年03期
Page:
6-9
Research Field:
Publishing date:
2010-06-20

Info

Title:
Influence of material characteristics on adhesion at interface between asphalt and aggregate
Author(s):
HAN Sen1;  LIU Ya-min1;  XU Ou-ming2;  LI Bo1
1. Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang'an University, Xi'an 710064, Shaanxi, China; 2. School of Materials Science and Engineering, Chang'an University, Xi'an 710061, Shaanxi, China
Keywords:
road engineering;  asphalt-aggregate;  interface;  adhesion;  influencing factors;  surface energy
PACS:
U414.3
DOI:
-
Abstract:
In order to evaluate the adhesion at the interface between asphalt and aggregate, several main influencing factors are analyzed, especially the surface energy of material. This paper employs surface energy theory to obtain the parameters of asphalt and aggregate, the adhesive work and the difference of surface energy. Taking the capability for adhesion between asphalt and aggregate to heal and fracture resistance to estimate the adhesion at the interface between asphalt and aggregate, the cohesion within the asphalt and the water stability of asphalt-aggregate system with or without the presence of water is studied. The results indicate that the performance of SBS modified asphalt-limestone system is the best and KLMY base asphalt-hornblende gneiss system is the worst. Besides that, in order to improve the adhesion, the asphalt and aggregate are preferable to have a larger Lewis acid-basic component and a lower Lifshitz-Van der Waals component. 3 tabs, 13 refs.

References:

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Last Update: 2010-06-20