Design of Frost Resistant Pavement Structure Based on Road Weather Stations (RWSs) Data
AbstractFrost is a decisive factor influencing pavement performance in cold countries. In the EU, millions of euros are spent annually on winter maintenance. About one-third of the maintenance budget is allocated to rehabilitation due to the negative impact of frost. The negative effect of frost is restricted by using non-frost-susceptible materials within the frost zone and regulating water accumulation. However, experience shows that the thickness of constructed pavement structure is often inadequate and that frost penetrates into the subgrade of frost-susceptible materials. The aim of this paper is to introduce the thickness calculation approach of the frost resistant pavement structure using road weather station (RWS) data. The subgrade susceptibility to frost and the number of equivalent single axle loads (ESALs) are considered as factors too. The calculated thickness of the frost resistant pavement structure is corrected according to the specific local conditions. After performing a statistical analysis of 2012–2014 data pertaining to 26 RWSs, Lithuania was divided into four regions according to the maximum frost depths, where the maximum values depending on RWS location varied from 110.4 cm to 179.1 cm. View Full-Text
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Vaitkus, A.; Gražulytė, J.; Skrodenis, E.; Kravcovas, I. Design of Frost Resistant Pavement Structure Based on Road Weather Stations (RWSs) Data. Sustainability 2016, 8, 1328.
Vaitkus A, Gražulytė J, Skrodenis E, Kravcovas I. Design of Frost Resistant Pavement Structure Based on Road Weather Stations (RWSs) Data. Sustainability. 2016; 8(12):1328.Chicago/Turabian Style
Vaitkus, Audrius; Gražulytė, Judita; Skrodenis, Egidijus; Kravcovas, Igoris. 2016. "Design of Frost Resistant Pavement Structure Based on Road Weather Stations (RWSs) Data." Sustainability 8, no. 12: 1328.
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