NDLI: Decay law of Cement-Emulsified-Asphalt-Cold-Recycled Mixture (CEACRM) in recycling process

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Decay law of Cement-Emulsified-Asphalt-Cold-Recycled Mixture (CEACRM) in recycling process

Content Provider	Scilit
Copyright Year	2014
Description	Based on the failure mechanism under the limit load of the pavement and long-term aging mechanism of the asphalt mixture, taking the residual value as the constraint condition for termination, the decay law of road performances of Cement-Emulsified-Asphalt-Cold-Recycled Mixture (CEACRM) in the recycling process by comprehensive tests of mechanical properties, water stability, high and low temperature performance, modulus performance, and fatigue performance were studied. Results showed: 1) The decay of road performance of cold recycled mixture caused by circulatory recycling is nonlinear; 2) Newaged asphalt membranes generated in the multiple recycling sharply lower the cohesion of the binder, which leads to a negative effect on mechanical properties and the modulus performance of the mixture; 3) The adding of the cement reduces the sensitivity of the recycled mixture to water and temperature. Though the water stability and high temperature performance is obviously attenuated, it can still meet application requirements. 4) With the increase of the cement and the aging of the asphalt, the attenuation of the low temperature crack resistance of the mixture is obvious. 5) As asphalt membranes and cement slurries generated in the multiple recycling are stress concentration positions for fatigue failure, the decay of the fatigue life is the most remarkable in road performances. The research defined a relation between the cycle period of recycled mixture and the performance decay, which laid foundation for sustainable reusing of the recycled mixture in the future. Book Name: Asphalt Pavements
Related Links	https://api.taylorfrancis.com/content/chapters/edit/download?identifierName=doi&identifierValue=10.1201/b17219-113&type=chapterpdf
Ending Page	944
Page Count	8
Starting Page	937
DOI	10.1201/b17219-113
Language	English
Publisher	Informa UK Limited
Publisher Date	2014-11-06
Access Restriction	Open
Subject Keyword	Book Name: Asphalt Pavements Asphalt Cement Recycling Recycled Mixture Road Performances Failure Low Temperature Water Stability
Content Type	Text
Resource Type	Chapter

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