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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 | stone mastic asphalt

Term of the Road Dictionary

stone mastic asphalt

  • Language : PIARC Road Dictionary / English
  • Theme : Roads Materials Mixed Materials
  • Definition : Unpourable gap-graded asphalt composed of a coarse crushed aggregate skeleton bound with a mastic mortar. Note: it is common practice to use additives and/or modified binders in manufacture, especially to allow the binder content to be raised and to reduce segregation between the coarse aggregate and the mortar [CEN].
  • Abbreviation : SMA

Splittmastixasphalt

  • Language : PIARC Road Dictionary / German
  • Theme : Straßen Baustoffe Gemischtes Material
  • Definition : Asphalt mit Ausfallkörnung, zusammengesetzt aus einem grob gebrochenen, mit Mastixmörtel gebundenem Mineralstoffgerüst. Das Material ist nicht gießbar. Es ist allgemeine Praxis, bei der Herstellung ein Additiv und/oder modifizierte Bindemittel zu verwenden, insbesondere um den Bindemittelgehalt anzuheben und eine Entmischung zwischen den groben Mineralsstoffen und dem Mörtel zu vermindern (CEN).