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Makrotexturens möjlighet att identifiera låg friktion: tillståndsmätning av vägytan
Swedish National Road and Transport Research Institute, Infrastructure, Infrastructure maintenance.ORCID iD: 0000-0002-9893-0067
NCC Roads.ORCID iD: 0000-0002-7692-714X
Swedish National Road and Transport Research Institute, Infrastructure, Infrastructure maintenance.ORCID iD: 0000-0002-0286-430X
Swedish National Road and Transport Research Institute, Infrastructure, Infrastructure maintenance.ORCID iD: 000-0002-2397-0769
Show others and affiliations
2015 (Swedish)Report (Other academic)Alternative title
The potential to identify low friction from macrotexture : condition assessment of road surface (English)
Abstract [sv]

Trafikverket vill kunna beskriva friktionen för hela det statliga vägnätet. En rikstäckande friktionsmätning är praktiskt svår att hantera och mycket kostsam medan vi redan idag mäter vägytans makrotextur. I projektet testar vi om makrotexturen (MPD, Mean Profile Depth) kan användas för att beskriva friktionstillståndet på vägnätet. Vi har inte kunnat visa på detta samband men vi redovisar andra intressanta iakttagelser som ger en pusselbit till hur Trafikverket kan och bör hantera friktionsfrågan. Vi ser bland annat att risken för låg friktion är större på vägavsnitt som har låga MPD-värden speciellt på lappade ytbehandlade vägar med blödningar. Vidare beskriver vi vilka friktionsrisker det finns med olika beläggningar och hur dessa kan hanteras.

Abstract [en]

The Swedish Transport Administration want to describe the friction condition of the entire national road network. A nationwide friction measurement is practically difficult to manage and very costly, while we are already measuring road surface macrotexture. In this project, we test whether the macro texture (MPD, Mean Profile Depth) can be used to describe the friction condition of the road network. We have not been able to show this correlation but we present other interesting findings that give a piece of the puzzle for the Swedish Transport Administration how they can and should deal with the friction issue. We see, among other things, that the risk of low friction is greater on road sections with low MPD values and especially on roads with surface dressing that has bleeding patches. Furthermore, we describe the friction risks involved with different coatings and how these might be handled.

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut, 2015. , 95 p.
Series
VTI rapport, ISSN 0347-6030 ; 877
Keyword [en]
Surfacing, Macrotexture, Surface texture, Friction, Measurement, Condition survey, Surface dressing, Accident, Method, Repeatability, Mean profile depth
Keyword [sv]
Beläggningar, Makrotextur, Ytstruktur, Friktion, Mätning, Tillståndsbedömning, Ytbehandling (beläggning), Olyckor, Metoder, Repeterbarhet
National Category
Infrastructure Engineering
Research subject
30 Road: Highway design, 33 Road: Surfacing
Identifiers
URN: urn:nbn:se:vti:diva-8279OAI: oai:DiVA.org:vti-8279DiVA: diva2:885471
Available from: 2015-12-18 Created: 2015-12-18 Last updated: 2017-02-22Bibliographically approved

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Lundberg, ThomasEkblad, JonasGöransson, Nils-GunnarSjögren, LeifArvidsson, Anna K.
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CiteExportLink to record
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