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Asphalt concrete rutting predicted using the PEDRO model
Swedish National Road and Transport Research Institute, Infrastructure, Pavement Technology.ORCID iD: 0000-0002-6308-7487
Swedish National Road and Transport Research Institute, Infrastructure, Pavement Technology.
2016 (English)In: The international journal of pavement engineering, ISSN 1029-8436, E-ISSN 1477-268X, Vol. 17, no 3, p. 245-252Article in journal (Refereed) Published
Abstract [en]

This paper presents a theoretical viscoelastic approach, called PEDRO(PErmanent Deformation of asphalt concrete layers for ROads), for predicting rut formation in asphalt concrete materials subjected to traffic loading. Input data are traffic parameters, asphalt concrete viscosity and asphalt layer thickness. Vertical strains that cause rutting in the pavement were estimated using the PEDRO approach. A large-size type of wheel tracking machine, which has the capability to subject asphalt concrete slabs to different loadings has been used to study the effects of wheel load and tyre pressure. Rut development in the slabs under various loading conditions was predicted. The approach has shown reasonable results as regards predicting densification and shear rutting in tested asphaltconcrete slabs.

Place, publisher, year, edition, pages
Taylor & Francis Group, 2016. Vol. 17, no 3, p. 245-252
Keywords [en]
Rutting, Viscoelasticity, Prediction, Deformation, Surfacing, Thickness, Load, Tyre, Pressure
National Category
Infrastructure Engineering
Research subject
30 Road: Highway design, 32 Road: Pavement design
Identifiers
URN: urn:nbn:se:vti:diva-7476DOI: 10.1080/10298436.2014.993184ISI: 000366662200006Scopus ID: 2-s2.0-84919904267OAI: oai:DiVA.org:vti-7476DiVA, id: diva2:780421
Available from: 2015-01-14 Created: 2015-01-14 Last updated: 2022-08-05Bibliographically approved

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Said, Safwat HHakim, Hassan

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CiteExportLink to record
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