Welcome on piarc.org!

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.

This site uses cookies to optimize its operation. They allow you to securely access your personal space and download our publications. You accept their use by clicking on the "Accept" button.

Your basket
  1. Home
  2. Our activities
  3. Road Dictionary
  4. Term of the Dictionary | impact factor

Term of the Road Dictionary

impact factor

  • Language : PIARC Road Dictionary / English
  • Theme : Scientific and Technical Tools Physics and Chemistry
  • Definition : Ratio of the force applied to the pavement by a wheel/axle while the vehicle is travelling at speed to the static wheel/axle load. Note: by extension, the gross impact factor is the sum of the forces applied by all the axles of a vehicle (may be measured at the same time or at the same place) divided by the static gross weight [COST 323].

Faktor für die dynamische Belastung

  • Language : PIARC Road Dictionary / German
  • Theme : Wissenschaftliche und technische Arbeitsmittel Physik und Chemie
  • Definition : Verhältnis zwischen der Rad- bzw. Achslast eines in Bewegung befindlichen Fahrzeuges auf die Strasse und der statischen Last dieses Rades bzw. dieser Achse. Anmerkung: unter Faktor für die dynamische Gesamtbelastung versteht man das Verhältnis zwischen der Summe aller durch die Achsen eines Fahrzeuges (gemessen zur selben Zeit und am selbem Ort) aufgebrachten Kräfte und dem statischen Gesamtgewicht [COST 323].