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Article

Stiffness Identification of Foamed Asphalt Mixtures with Cement, Evaluated in Laboratory and In Situ in Road Pavements

Roads and Airports Department, Faculty of Civil Engineering, Wroclaw University of Science and Technology, 50-370 Wroclaw, Poland
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Materials 2020, 13(5), 1128; https://doi.org/10.3390/ma13051128
Received: 7 February 2020 / Revised: 26 February 2020 / Accepted: 2 March 2020 / Published: 3 March 2020
(This article belongs to the Special Issue Testing of Materials and Elements in Civil Engineering)
The article presents the possibilities of using foamed asphalt in the recycling process to produce the base layer of road pavement constructions in Polish conditions. Foamed asphalt was combined with reclaimed asphalt pavement (RAP) and hydraulic binder (cement). Foamed asphalt mixtures with cement (FAC) were made, based on these ingredients. To reduce stiffness and cracking in the base layer, foamed asphalt (FA) was additionally used in the analyzed mixes containing cement. The laboratory analyzes allowed to estimate the stiffness and fatigue durability of the conglomerate. In the experimental section, measurements of deflections are made, modules of pavement layers are calculated, and their fatigue durability is determined. As a result of the research, new fatigue criteria for FAC mixtures and correlation factors of stiffness modules and fatigue durability in situ with the results of laboratory tests are developed. It is anticipated that FAC recycling technology will provide durable and safe road pavements. View Full-Text
Keywords: recycling; foamed asphalt mixtures with cement (FAC); base layer; reclaimed asphalt pavement (RAP); fatigue durability recycling; foamed asphalt mixtures with cement (FAC); base layer; reclaimed asphalt pavement (RAP); fatigue durability
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MDPI and ACS Style

Skotnicki, L.; Kuźniewski, J.; Szydlo, A. Stiffness Identification of Foamed Asphalt Mixtures with Cement, Evaluated in Laboratory and In Situ in Road Pavements. Materials 2020, 13, 1128. https://doi.org/10.3390/ma13051128

AMA Style

Skotnicki L, Kuźniewski J, Szydlo A. Stiffness Identification of Foamed Asphalt Mixtures with Cement, Evaluated in Laboratory and In Situ in Road Pavements. Materials. 2020; 13(5):1128. https://doi.org/10.3390/ma13051128

Chicago/Turabian Style

Skotnicki, Lukasz, Jarosław Kuźniewski, and Antoni Szydlo. 2020. "Stiffness Identification of Foamed Asphalt Mixtures with Cement, Evaluated in Laboratory and In Situ in Road Pavements" Materials 13, no. 5: 1128. https://doi.org/10.3390/ma13051128

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