Optimised durable pavement rolling resistance
Source abstract
Abstract
The road-transport sector has a significant impact on energy consumption. A relevant component of this energy usage is associated with rolling resistance (RR) between tires and pavement. In Denmark, CO2 emissions from road transport alone have been quantified as 4.6 Mt/yr. Replacing standard stone asphalt with durable low-RR pavements is expected to reduce CO2 emissions up to 1%. The Danish Road Directorate started, back in 2012, optimising a surface layer for reducing RR. The low-RR mixture was designed to provide a durable texture capable to meet all safety requirements. In 2016, two low-RR mixtures and reference asphalt concrete were paved on a test section. To evaluate the texture durability these mixtures were sampled at the construction site and tested with a circular road tester. The results show that the durability of low-RR pavements can be enhanced by using premodified binder, which reduces changes in texture properties and increases rutting resistance.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Asphalt Pavement Performance Evaluation · Infrastructure Maintenance and Monitoring · Geotechnical and construction materials studies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Danish Road Directorate, Copenhagen, Denmark
Department of Civil and Environmental Engineering, University of Illinois Urbana-Champaign, Urbana, IL, USA
School of Sustainable Engineering and the Built Environment, Arizona State University, Tempe, AZ, USA
Funding
Innovation Fund Denmark · NordFoU
References (25)
Show source-provided references
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