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Impact of overloaded vehicles on load equivalency factors and service period of flexible pavements

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Overloaded vehicles occur less frequently in comparison to properly loaded vehicles but due to their greater potential to cause damage they significantly contribute to the distress of pavement structure. As the studies show, the phenomena of vehicles overloading intensifies when the control of traffic is poor and the average percentage of overloaded vehicles on analyzed roads varies from 6% to 23%. The main goal of the ar-ticle is to assess the impact of vehicles overloading on the service period of flexible pavements. In this pur-pose the data from 10 weigh in motion stations on Polish national roads and motorways, which included up to 11 million records of heavy vehicles, were analyzed. Mixed axle loads in particular vehicles were transformed into number of equivalent standard axle loads and further into the load equivalency factors for particular trucks (truck factors). Each vehicle was also checked for overloading. It was revealed that average monthly truck factors are well correlated with the average monthly percentage of overloaded vehicles. This relation-ships were used to assess the impact of vehicle overloading on service period of flexible pavements. The ap-proximate method of calculation of extended fatigue life of a pavement structure and its service period is pre-sented and allows easy evaluation of the effect of minimizing of percentage of overloaded vehicles.

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Kategoria:
Aktywność konferencyjna
Typ:
publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
Tytuł wydania:
Bearing Capacity of Roads, Railways and Airfields 2017 strony 459 - 465
Język:
angielski
Rok wydania:
2017
Opis bibliograficzny:
Ryś D., Judycki J., Jaskuła P.: Impact of overloaded vehicles on load equivalency factors and service period of flexible pavements// Bearing Capacity of Roads, Railways and Airfields 2017/ ed. Andreas Loizos, Imad Al-Qadi, Tom Scarpas Ateny: , 2017, s.459-465
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1201/9781315100333-66
Weryfikacja:
Politechnika Gdańska

wyświetlono 80 razy

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