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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

soil improvement

Language : PIARC Road Dictionary / English
Theme : Roads Construction Earthworks
Definition : Operation which improves the physical properties of a soil - such as natural moisture content, plasticity, moisture and frost susceptibility, and compactibility - by the addition of a binder. Note: the quantity of binder added is, however, insufficient to induce significant permanent hardening.

Bodenverbesserung

Language : PIARC Road Dictionary / German
Theme : Straßen Bau Erdarbaiten
Definition : Tätigkeit, die die physikalischen Eigenschaften eines Bodens durch Zugabe eines Bindemittels verbessert - wie den natürlichen Wassergehalt, die Plastizität, die Wasser- und Frostbeständigkeit und die Verdichtbarkeit. Die Menge des hinzugegebenen Bindemittels ist jedoch für eine deutlich dauerhafte Verfestigungswirkung unzureichend.