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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 | French drain

Term of the Road Dictionary

French drain

  • Language : PIARC Road Dictionary / English
  • Theme : Roads Drainage and Sewerage
  • Definition : Drain formed of a trench typically 1 m deep containing a porous, perforated or open-jointed pipe laid on, and backfilled with, a porous material. Note: the drain is used either for both surface water and subgrade drainage (''French drain'', typically 0.6 m wide) or for subgrade drainage only (''filter drain'', typically 0.15 m wide).
  • Synonyms : filter drain

Sickergraben

  • Language : PIARC Road Dictionary / German
  • Theme : Straßen Straßenentwässerung
  • Definition : Aus einem Graben gebildete Entwässerungseinrichtung von etwa 1 m Tiefe, die eine durchlässige, perforierte oder offenfugige Röhre enthält, die in offenporigem Material verlegt und damit hinterfüllt ist. Die Einrichtung wird sowohl für Oberflächenwasser (Breite 0,6 m) als auch für die Untergrundentwässerung (Breite 0,15 m) verwendet.