Abstract
This report mainly studied rheological property and phase separation of modified asphalt by waste crumb rubber with some methods including common performance test, frequency sweep test, multiple stress creep recovery test and Cole-cole rule detection. All these experiment result shown that waste crumb rubber can upgrade apparently high temperature stability and elastic performance of modified asphalt, but modified asphalt by rubber is not a homogeneous system and has obvious phase separation state, so it is important to keep an appropriate rubber content in modified asphalt for good product stability
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