Vermont Demonstration Project: Warm-Mix Asphalt Overlay Rehabilitation of U.S. 4A and VT 30

Von Quintus, Harold L.; Mallela, Jagannath; Applied Research Associates, Inc.

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Vermont Demonstration Project: Warm-Mix Asphalt Overlay Rehabilitation of U.S. 4A and VT 30

2013-06-01
By Von Quintus, Harold L. ; Mallela, Jagannath

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English

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Creators:

Von Quintus, Harold L. ; Mallela, Jagannath

Von Quintus, Harold L. ; Mallela, Jagannath Less -
Corporate Creators:

Applied Research Associates, Inc.
Contributors:

Lord, Byron ; Huie, Mary

Lord, Byron ; Huie, Mary Less -
Corporate Contributors:

United States. Federal Highway Administration. Office of Infrastructure
Subject/TRT Terms:

[+]

Compaction Demonstration Projects Hot Mix Asphalt Infrared Detectors Instruments For Measuring Density Longitudinal Joints
Resource Type:

Tech Report
Geographical Coverage:

United States ; Vermont

United States ; Vermont Less -
Edition:

Final Report
Contracting Officer:

Byron Lord;Mary Huie
Corporate Publisher:

United States. Federal Highway Administration
Abstract:

As part of a national initiative sponsored by the Federal Highway Administration under the Highways for LIFE program, the Vermont Agency of Transportation was awarded a $1 million grant to demonstrate the use of multiple innovative but proven strategies for rehabilitating segments of U.S. 4A and VT 30 near and through Castleton. The three strategies used on the project include warm mix-asphalt (WMA), the Safety EdgeSM, and intelligent compaction. Two other innovative strategies were also used during construction: an infrared bar for monitoring the mat temperature behind the paver and a longitudinal construction joint specification to improve joint performance. This report details the use of multiple strategies to rehabilitate these routes. Use of the Safety Edge increased safety by making it easier for vehicles that drift off the roadway to return. Use of WMA reduced the time needed for the mat temperature to drop below 140 °Fahrenheit, reducing queue length and the number of vehicles in the queue. More important, use of intelligent compaction increased the uniformity of the mat density and resulted in slightly higher mat densities, increasing the service life of the overlay.
Format:

PDF
Collection(s):

Federal Highway Administration
Main Document Checksum:

[+]

urn:sha256:232b41e82df195d38899034dadb637b22c89335d64eec378e9f49e4080993069
Download URL:

https://rosap.ntl.bts.gov/view/dot/54342/dot_54342_DS1.pdf
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Vermont Demonstration Project: Warm-Mix Asphalt Overlay Rehabilitation of U.S. 4A and VT 30

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