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Friction in road design safety
Korea Institute of Civil engineering and building Technology (KICT).
2018 (English)Conference paper, Published paper (Refereed)
Abstract [en]

Since the quantity of the friction demand is highly influenced by the speed choice behavior of drivers, it seems more reasonable to regard friction demand as a performance indicator of the road design safety.  The study aims to assess the quantity of the friction demand at four lane rural highways with design speed of 80 km/h. A field survey about the speed selection of drivers was carried out using portable sensors, and data analysis was done to appreciate the quantity of the friction demand. Comparison of the friction demand and friction designed at design stage was made for the reference of the friction balance, so curve design safety.

Portable NC 97 sensors were used to measure the speeds of the drivers while they are negotiating a twenty one horizontal curves with radius ranged from 500 to 2,000 meters. 10 seconds of headway between vehicles were applied as a sorting criteria for the free flow speed data. The speeds at the mid points of curves were measured and stored at laptop for the lab-analysis

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut, 2018.
National Category
Infrastructure Engineering
Research subject
X RSXC
Identifiers
URN: urn:nbn:se:vti:diva-12899OAI: oai:DiVA.org:vti-12899DiVA, id: diva2:1203900
Conference
18th International Conference Road Safety on Five Continents (RS5C 2018), Jeju Island, South Korea, May 16-18, 2018
Available from: 2018-05-16 Created: 2018-05-04 Last updated: 2018-05-25Bibliographically approved

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Infrastructure Engineering

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf