Research and Application of Key Technologies for Fast Curing Reclaimed Cement-stabilized Macadam Base in Expressway
At present,there are some problems in the recycling of Reclaimed Asphalt Pavement(RAP),such as narrow utilization channels and lower utilization layer.Moreover,the traditional construction of cement-stabilized macadam base needs to close traffic for 7 days for water retention curing,and then the construction of asphalt pavement can be carried out,which is easy to cause traffic congestion and safety hazards.Therefore,in view of the above shortcomings,this paper conducts research on the key technology for fast curing reclaimed cement-stabilized macadam base in expressway,improving the application layer of milling material regeneration.At the same time,self-developed curing-free agent is added to the mixture,realizing that traffic can be opened and the next construction process can be carried out after 1 day of base construction completion,which provides a new technical reference for the current cement-stabilized layer construction of expressway,especially emergency engineering and reconstruction and expansion engineering projects.
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