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Validering av VTI-PFT version 4: mätningar på plana och profilerade vägmarkeringar
Swedish National Road and Transport Research Institute.
2007 (Swedish)Report (Other academic)
Abstract [sv]

This study shows that the PFT (Portable Friction Tester) in its fourth version, featuring an improved mechanical design with a new measurement tire, similar to previous versions, is a user friendly and robust method with excellent reproducibility. The results indicate very low variation between individual instruments and an almost negligible influence by the operator. Correlation studies with the SRT pendulum on plane road markings were conducted using a set of different road markings commonly used in Sweden of varying age and quality. Results indicate a linear relationship according to the following: SRT = 78.6*PFT + 9.2 ± 9.0 A correlation study using two individual PFT instruments with different operators on a set of commonly used profiled road markings in Sweden showed an excellent repeatability and a dynamic measurement range similar to plane road markings. The results clearly indicate that the PFT is suitable to use as a stand-alone method for objective assessment of skid resistance of plane as well as of profiled road markings, thus eliminating the need of the SRT pendulum.

Place, publisher, year, edition, pages
Linköping: VTI., VTI notat 16-2007 , 2007. , 45 p.
Keyword [en]
Friction, Equipment, Measurement, Carriageway marking, Correlation, Evaluation, In situ, Test method
Research subject
Road: Materials, Road: Miscellaneous materials; Road: Highway design, Road: Surfacing
Identifiers
URN: urn:nbn:se:vti:diva-1643OAI: oai:DiVA.org:vti-1643DiVA: diva2:670355
Available from: 2013-12-03 Created: 2013-12-03 Last updated: 2013-12-03

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Wälivaara, Bengt
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Swedish National Road and Transport Research Institute

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CiteExportLink to record
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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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