Abstract
The initial strength of emulsified asphalt regenerative asphalt mixture is low. Adding proper amount of cement can effectively improve the initial strength of the mixture. Three kinds of cement amount and two kinds of emulsified asphalt amount were selected for the mix proportion design of cement emulsified asphalt recycled mixture (CEARM) when the recycling asphalt pavement (RAP) ratio were 20% and 50%, the influence of cement on emulsified asphalt cold recycled mixture strength was analyzed by comparing the initial strength and later strength of CEARM. The results showed that cement can significantly improve the initial strength of regenerative mixture and have different impacts on the latter strength due to variable ratio of RAP. So the paper put forward a method to determine a suitable amount of emulsified asphalt and cement.
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