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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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Term of the Road Dictionary

caisson pile

  • Language : PIARC Road Dictionary / English
  • Theme : Structures Bridges
  • Definition : Structure in the form of a bottomless box circular or rectangular in section, which sinks into the ground mainly by its own weight as the soil on which is rests is removed.
  • Synonyms : caisson-type pile