Abstract
Foamed asphalt cold-regenerating technique is used to study the overhaul engineering of Binshi Expressway in 2012 (Tianjin Section) to analyze influences of different milling parameters upon the grading difference of materials of recovered asphalt pavement (RAP); and vibration compaction is used to confirm the maximum dry density and the optimum water content of regenerating mixture in the design of mix proportion to provide more reliable control parameters for site construction. Furthermore, site construction technology of cold-regeneration technique is expounded and analyzed and key control points of all links are summarized to offer technical reference for promotion and application of foamed asphalt cold-regenerating technique in Tianjin.
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