Application of Reclaimed Concrete Material in Hefei-Nanjing Expressway

摘要

Reclaimed concrete material, not only solves the problem of storing concrete waste, but also saves transportation cost; especially in the zone with limited material source, aggregate is not a problem any more. This paper takes Hefei-Nanjing Expressway as an example, defines the application of cement concrete pavement recycling technology to pavement maintenance program, and discusses some issues such as concrete recycling technology, technical requirements for recycling aggregate, and proportion design of recycled concrete which are for maintenance construction technician's reference.