Re-Evaluating the Risk of Using Higher-Skid-Resistance Aggregates

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Abstract

Aggregate with higher skid resistance is used in many countries around the world to improve road safety. It has been tested for skid resistance in the laboratory and measured in service for many years. Certain rock types and asphalt mixes offer more skid resistance. The laboratory test methods have not changed for many years. Road surfaces achieve a state of in-service equilibrium depending on many factors, and roads are now experiencing additional changes due to issues ranging from greater use of electric vehicles to climate change in its many forms. This paper considers whether the previous methods are still able to offer reliable prediction. The paper re-evaluates research performed in the period 1990 to 2010 to consider whether the testing of road surface aggregate needs to be updated for the early 21st century. The authors believe this paper is significant for all countries to optimize the performance of their road networks in line with changes in service conditions.
Original languageEnglish
Title of host publicationProceedings of The Second International Conference on Maintenance and Rehabilitation of Constructed Infrastructure Facilities (MAIREINFRA2))
PublisherMDPI
Pages1-4
Number of pages4
Volume37
Edition1
DOIs
Publication statusPublished online - 11 Jul 2023
EventMAIREINFRA 2023: Maintenance and Rehabilitation of Constructed Infrastructure Facilities - Hilton Hawaiian Village Waikiki Beach Resort, Honolulu, United States
Duration: 16 Aug 200319 Aug 2023
https://www.icsc2019.org/

Publication series

NameEngineering Proceedings
PublisherMDPI

Conference

ConferenceMAIREINFRA 2023
Country/TerritoryUnited States
CityHonolulu
Period16/08/0319/08/23
Internet address

Keywords

  • re-evaluation
  • aggregate
  • skid resistance
  • performance

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