Study on the Action Mechanism of Bitumen Emulsion and Aggregate

Hong Ying Liu; Yi Qin Jia

doi:10.4028/www.scientific.net/AMR.250-253.3039

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 250-253Study on the Action Mechanism of Bitumen Emulsion...

Study on the Action Mechanism of Bitumen Emulsion and Aggregate

Abstract:

The paper describes the action mechanism of bitumen emulsion and aggregate, the charge test of aggregate and reaction heat test between aggregate and bitumen emulsion are used to analyze adsorption mechanism. The results show that at moisture condition alkaline aggregate generally carry positive electric charges, while acidic aggregate negative charges. Interaction between aggregate and bitumen emulsion can be affected by affinity of the materials, extent of chemical reaction and electrical property on their surface, which can determine the mechanics properties of the mixtures. The adhesive coefficient can be used to evaluate adhesive property between aggregate and bitumen emulsion, K_ad is the larger, the adsorption strength between aggregate and bitumen emulsion is the larger.

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Periodical:

Advanced Materials Research (Volumes 250-253)

Pages:

3039-3043

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.250-253.3039

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Online since:

May 2011

Authors:

Hong Ying Liu, Yi Qin Jia

Keywords:

Adhesive Coefficient, Bitumen, Charge of Aggregate, Emulsion, Heat of Reaction

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References

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