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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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  4. Term of the Dictionary | secondary aggregate

Term of the Road Dictionary

secondary aggregate

  • Language : PIARC Road Dictionary / English
  • Theme : Roads Materials Soils and Aggregates
  • Definition : Aggregate produced by processing a secondary material. Note: secondary aggregates can be subdivided into manufactured secondary aggregates (e.g. fly ash, metallurgical slag) and natural secondary aggregates (e.g. china clay sand and slate aggregate).

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