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Road grip test in Arjeplog
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.
Luleå University of Technology, Department of Business Administration, Technology and Social Sciences.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.
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2008 (English)Report (Other academic)
Abstract [en]

The Swedish road administration sees a need to improve the road grip estimation capacity for the Swedish road system. The challenge is to find methods to measure road grip fast and reliable. There where six different system types at the tests in Arjeplog, three continuous, two system measuring road grip through deceleration and one system based on GPS and accelerometers. Two system types used air craft runway tires. The other systems used either studded winter tires or friction winter tires. Test runs where performed and road grip where recorded for three different surface types, old system 2000 ice, polished ice and new system 2000 ice. Weather data was collected during the three days. It is clear that all systems can detect changes in road grip. It is clear that continuous systems hold an information advantage over the sequence oriented systems. For measurements of road grip on winter roads, we recommend that rubber compounds adapted for cold conditions are used, as the resolution of the road grip measurement where better. In extreme condition like on polished ice, studded winter tires increase the road grip significantly.

Place, publisher, year, edition, pages
Luleå: Luleå tekniska universitet, 2008. , p. 102
Series
Technical report / Luleå University of Technology, ISSN 1402-1536 ; 2008:17
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear) Other Engineering and Technologies not elsewhere specified Infrastructure Engineering
Research subject
Machine Elements; Functional Product Development; Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-22273Local ID: 23455950-9443-11dd-a897-000ea68e967bOAI: oai:DiVA.org:ltu-22273DiVA: diva2:995322
Projects
Intelligenta inlandsvägen, CASTT - Centre for Automotive Systems Technologies and Testing
Note
Godkänd; 2008; 20081007 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-01-10Bibliographically approved

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Engström, NiclasAndrén, HenrikNybacka, MikaelFransson, LennartLarsson, Roland
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Citation style
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Output format
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