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Repeatability in crack data collection on flexible pavements: comparison between surveys using video cameras, laser cameras and a simplified manual Survey
Dalarna University, School of Technology and Business Studies, Road Technology.
2005 (English)In: Journal of transportation engineering, ISSN 0733-947X, E-ISSN 1943-5436, Vol. 131, no 7, p. 552-562Article in journal (Refereed) Published
Abstract [en]

Crack data can be collected using manual or automatic surveys. Traditionally, manual methods are used, and they are still the most common. Changing into automatic systems will enhance the efficiency of data collection as well as the objectivity. In this study the repeatability of an automatic crack data collection system using video images was evaluated. Ten repetitive measurements were made on a 10-km-long road section. Cracking was measured using six laser cameras attached to the same vehicle. The results from the two methods were compared. Simultaneously, a simplified manual windshield survey was conducted by three different persons, and the repeatability obtained was used for comparison with the repeatability established using the image and laser method, respectively. The correlation between repeated measurements using the two automatic systems was high, while the repeatability for the manual, subjective method was low. Suitable measures for crack characterization are discussed.

Place, publisher, year, edition, pages
2005. Vol. 131, no 7, p. 552-562
Keywords [en]
cracking, automatic identification systems, data collection, image analysis, flexible pavements, surveys
National Category
Civil Engineering
Research subject
Research Profiles 2009-2020, Complex Systems – Microdata Analysis
Identifiers
URN: urn:nbn:se:du-665DOI: 10.1061/(ASCE)0733-947X(2005)131:7(552)ISI: 000230060700008OAI: oai:dalea.du.se:665DiVA, id: diva2:519415
Available from: 2004-12-09 Created: 2004-12-09 Last updated: 2021-11-12Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • chicago-author-date
  • chicago-note-bibliography
  • 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