Effect of Asphalt Modifiers on Cohesive Force of Asphalt Composite Materials for Repairing Cracks

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Abstract:

Asphalt composite materials for repairing cracks we studied is mainly composed of modified emulsified asphalt, cement and additives. Our previous studies found that modified emulsified asphalt play the leading role in the cohesive force so studying the effect of asphalt modifiers on cohesive force has the vital significance. In this paper, we study the effect of asphalt modifiers SBS and SBR on the cohesive force. The result indicated that SBR can increase the cohesive force bigger than SBS and with the ratio(SBS/(SBS+SBR) )increasing, the cohesive force declined.

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31-34

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November 2013

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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