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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

boiling

  • Language : PIARC Road Dictionary / English
  • Theme : Roads Materials Soils and Aggregates
  • Definition : Phenomenon observed in certain soils when the normally upwards water pressure liquefies the soil by placing particles in suspension and cancelling the opposite downward forces. Note: quicksand is an example of this phenomenon [Egis].
  • Synonyms : quicksand condition

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