Microstructure and Properties of Nanoclay Reinforced Asphalt Binders

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Abstract:

In this paper, sodium bentonite (BT) and organically modified sodium bentonite (OBT) are used to reinforce and modify asphalt binder. The microstructures of the reinforced asphalt binders are investigated using transmission electron microscopy (TEM) and wide angle X-ray diffraction (WAXD). Two models for the microstructure of the BT and OBT modified asphalts are suggested considering the colloidal structure of the base asphalt binder. The physical properties of the modified asphalt binders were studied.

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Defect and Diffusion Forum (Volumes 297-301)

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579-583

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April 2010

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© 2010 Trans Tech Publications Ltd. All Rights Reserved

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