Paper Title:
Investigation of Creep Mechanics Properties of Layered Nano-Montmorillonite Modified Asphalt Mixtures
  Abstract

Montmorillonite(MMT)is a typical layered silicate. It has been widely used to modify polymers. It improves the thermal, mechanical and aging properties of polymers. The prominent features of MMT modified asphalt concrete are significant for prolonging the service life of asphalt pavement. The profound researches on the service performance and mechanical characteristics of MMT modified asphalt binder and mixtures are important for the application of MMT modified asphalt concrete in practice projects. The effect of MMT on the creep properties of asphalt mixture has been investigated in the research. The result showed that the physical capabilities of MMT modified bitumen was improved evidently. UTM 25 electro-hydraulic servo-universal testing machine was used to do Creep Text, and proper rheological models are employed to describe such characteristics. Results indicated that the visco-elastic properties of the mixtures can be changed by the use of MMT. The revised Burgers model is suitable for the visco-elastic property research of MMT modified asphalt mixtures. The model demonstrated that the retardant visco-elastic property and viscous property of asphalt mixtures containing MMT can be improved, which result in the enhancement of resistance to permanent deformation for MMT modified asphalt mixtures.

  Info
Periodical
Key Engineering Materials (Volumes 467-469)
Edited by
Dehuai Zeng
Pages
1541-1545
DOI
10.4028/www.scientific.net/KEM.467-469.1541
Citation
T. G. Liu, S. P. Wu, J. Han, "Investigation of Creep Mechanics Properties of Layered Nano-Montmorillonite Modified Asphalt Mixtures", Key Engineering Materials, Vols. 467-469, pp. 1541-1545, 2011
Online since
February 2011
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Price
$32.00
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