2014 Asphalt Today

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Overlays are placed on bridge decks to reduce infiltration of water and chloride ions and to improve skid resistance, ride quality and surface…
April 28, 2015
VDOT’s modified EP-5 epoxy overlay waterproof membrane was placed on the travel and passing lanes of the SBL bridge on I-85.
VDOT’s modified EP-5 epoxy overlay waterproof membrane was placed on the travel and passing lanes of the SBL bridge on I-85.
Overlays are placed on bridge decks to reduce infiltration of water and chloride ions and to improve skid resistance, ride quality and surface…
April 28, 2015
APA specimens before loading
APA specimens before loading
Hot-mix asphalt (HMA) is the most commonly used material for asphalt-paving applications. It is produced by drying the aggregates prior to mixing…
April 28, 2015
If you speed up the drum and have the proper flights in the drum, you prevent the aggregate from dropping prematurely. This creates a better aggregate veil, which allows it to be heated better by the dryer. The technique translates directly to the roadway.
If you speed up the drum and have the proper flights in the drum, you prevent the aggregate from dropping prematurely. This creates a better aggregate veil, which allows it to be heated better by the dryer. The technique translates directly to the roadway.
Change is scary. But so are car accidents. Along a stretch of U.S. 264 in central North Carolina, drivers had an extremely high risk for hydroplane…
April 28, 2015
In the mid-1990s the Louisiana Department of Transportation and Development (LADOTD) revised its hot-mix asphalt (HMA) mixture specifications.   Some…
April 28, 2015
In all, 232,000 tons of asphalt base and surface mixes were paved and compacted along the 6.2-mile stretch of Kentucky’s Highway 60.
In all, 232,000 tons of asphalt base and surface mixes were paved and compacted along the 6.2-mile stretch of Kentucky’s Highway 60.
The stretch of U.S. Highway 60 connecting Lexington to Kentucky’s capital, Frankfort, carries many high-profile commuters. State lawmakers take the…
April 28, 2015
The objective of this study was to evaluate how increasing the volume of virgin binder, using a softer grade of virgin binder or using a WMA chemical additive affected the durability and performance of RAP mixtures.
The objective of this study was to evaluate how increasing the volume of virgin binder, using a softer grade of virgin binder or using a WMA chemical additive affected the durability and performance of RAP mixtures.
Using reclaimed asphalt pavement (RAP) in asphalt mixtures can provide significant economic savings to contractors and highway agencies by reducing…
April 28, 2015
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