01552256

Component

https://doi.org/10.3141/2524-15

Rehabilitating or reconstructing existing asphalt pavements by applying in-place pavement recycling techniques has been shown to be more cost-effective and more environmentally friendly than with traditional techniques. However, the scanty information in the literature documenting the structural and functional performance of these processes for high-volume roadways, leads to a perception by pavement engineers that the techniques are suitable only for lower-volume roads. This paper presents performance data for the 3.66-mi section of Interstate 81 in Virginia that was rehabilitated through the use of full-depth reclamation, cold central-plant recycling, and cold in-place recycling during the 2011 construction season. The performance data used to document the pavement condition included the structural capacity obtained by a falling-weight deflectometer and rut depth and ride quality measurements collected by an inertial profiler. The structural layer coefficients for the recycled materials were at the upper range of values reported in the literature. The pavement sections continued to perform well in regard to their functional and structural condition after the application of approximately 6 million equivalent single-axle loads and nearly 3 years of service. Two sections with different overlay thicknesses in the right lane also performed well after nearly 3 years of service.

01593959

15-4089

English

pp 152–159

2015

Transportation Research Record: Journal of the Transportation Research Board

9780309369534

Print

Figures (7) ; References (32)

Cold in-place recycling; Falling weight deflectometers; Full-depth reclamation; High volume roads; In-place recycling; Pavement performance; Performance measurement; Ride quality

Interstate 81

Cold central-plant recycling

Virginia

Environment; Highways; Maintenance and Preservation; Pavements

PRP, TRIS, TRB, ATRI

Dec 30 2014 1:20PM

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