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Investigation of the permanent deformation properties of open-graded permeable unbound granular materials
Statens väg- och transportforskningsinstitut, Infrastruktur, INFRA, Väg- och banteknik, VBA.ORCID-id: 0000-0002-5871-7587
Statens väg- och transportforskningsinstitut, Infrastruktur, INFRA, Väg- och banteknik, VBA.ORCID-id: 0000-0001-6122-8496
Statens väg- och transportforskningsinstitut, Infrastruktur, INFRA, Väg- och banteknik, VBA. University of Iceland.ORCID-id: 0000-0002-4256-3034
2019 (engelsk)Inngår i: Pavement and Asset Management - Proceedings of the World Conference on Pavement and Asset Management, WCPAM 2017, CRC Press/Balkema , 2019, s. 105-114Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Open-Graded (OG) Unbound Granular Materials (UGMs) are generally used in permeable pavement constructions. In this study, the Permanent Deformation (PD) characteristics of two OG UGMs were investigated by means of Multistage (MS) Repeated- Load Triaxial (RLT) tests. The influence of moisture on the PD behavior was also investigated. Compared to a few standard UGMs, these OG UMGs exhibited slightly lower resistance against PD in relatively dry state. On the other hand, these materials were less sensitive to moisture. Therefore, at higher moisture content, the OG UGMs and the standard UGMs showed identical PD behavior. Furthermore, the accumulation of PD was modelled using a simple model which may be used for prediction of rutting, estimating bearing capacity, and for layer thickness design, using a suitable pavement design software.

sted, utgiver, år, opplag, sider
CRC Press/Balkema , 2019. s. 105-114
Emneord [en]
Unbound roadbase, Permeability, Triaxial, Repetitive loading, Moisture content, Deformation, Forecast
HSV kategori
Forskningsprogram
30 Road: Highway design, 32 Road: Pavement design
Identifikatorer
URN: urn:nbn:se:vti:diva-13728Scopus ID: 2-s2.0-85063612781ISBN: 9780367209896 (tryckt)OAI: oai:DiVA.org:vti-13728DiVA, id: diva2:1313192
Konferanse
World Conference on Pavement and Asset Management, WCPAM 2017, 12 June 2017 through 16 June 2017
Tilgjengelig fra: 2019-05-02 Laget: 2019-05-02 Sist oppdatert: 2019-12-09bibliografisk kontrollert

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Rahman, Mohammad ShafiqurHellman, FredrikErlingsson, Sigurdur

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