A common question regarding Void Reducing Asphalt Membrane (VRAM) concerns how construction traffic should navigate the band of material placed at...
VRAM and Construction Traffic: Proven Performance and Best Practices
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Research and Studies Articles
Understanding Joint Behavior With & Without VRAM
As pavement technologies evolve, so do the best practices for road performance evaluation and maintenance. One such innovation, J-Bandยฎ...
Nuclear Density Gauge Testing on VRAM Joints
This article explores why nuclear density gauge testing may not be accurate or necessary when J-Bandยฎ Void Reducing Asphalt Membrane (VRAM) is...
Understanding Longitudinal Joint Performance with Permeability Testing
Pavement performance is closely tied to density, which measures compaction. Achieving high density at the longitudinal joint has always been...
Preserving Rumble Strips: Real-World Reviews of VRAM for Rumble Strip Longevity
Rumble strips play a critical role in keeping drivers alert and roadways safe. However, they are typically constructed over or near longitudinal...
NRRA: Materials-Based Methods to Improve Rumble Strip Durability
In 2023, the National Road Research Alliance (NRRA) issued a call for innovation for preventative roadway maintenance and this project answered:...
Accelerated VRAM Pavement Testing at the NCAT Test Track
The NCAT Test Track The National Center for Asphalt Technology (NCAT) Test Track at Auburn University is a proving ground for asphalt...
Discoveries on Low-Noise Rumble Stripsย
The problem of noise pollution has become significant; NCHRP funded a study to investigate whether noise pollution generated from rumble strips could …
J-Bandโs Shadow on Road Construction
Take a close look at a hot mix asphalt (HMA) mat paved over J-Band. In the right circumstances, there is a shadow that appears. Above the band where t…
A Safer Way: Eliminating Centerline Density Testing
Road construction can be dangerous. Vehicles zoom past field workers at hazardous speeds. One of the riskiest places to be is near the centerline of...
IDOT Extends Infrastructure Dollars with LJS Project in Clay-Richland County, IL
Together, Evergreen Roadworks, IDOT and Howell Asphalt succeeded in equipping US-50 with VRAM. This application can help US-50 last up to five years l…
J-Band Fortifies the Centerline of SR-41 in Adams County, OH
Road experts agree that the most vulnerable part of pavement is the center longitudinal joint. When facing natural elements and tension stress, voids …