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PIARC (World Road Association), founded in 1909 and comprising 125 member governments from all over the world, is the global forum for exchange of knowledge and experience on roads, road transport policies and practices. With consultative status to the Economic and Social Council of the United Nations, the Association is contributing to a stable and sustainable global development of the road and transport sector.

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Reasons of the D47 Motorway Pavement Deformations Caused by Swelling of Metallurgical By-Products

Metallurgical by-products, primarily blast furnace and steel slag, have ranked among important alternative sources of fill as well as of material for the structural layers in highways. These are always artificial aggregates produced within the ironmaking or steelmaking process, or in the production of nonferrous metals.