Toward a complete reemployment of aggregates from demolition work in situ

The recycled concrete aggregates (RCA) produced by the demolition of old buildings seem to be an option in order to construct new buildings and to preserve the environment by the reusing of inert materials, reducing the resort to the natural materials and the disposal in landfills. Numerous countries are multiplying studies concerning this...

The French National Project Recybéton, to bring the concrete world into circular economy

France is currently producing about 17 Mt/year of demolished concrete, most of this material being used in road subbase courses or embankments. However, this flow should increase in the near future, although less and less new roads are to be built. Another 20 Mt of mixed demolition materials, a good part of it being concrete or natural rock is...