More from Tom Kuennen

ADA Angst over pavement preservation

Oct 09, 2014

ADA Angst over pavement preservation

Pavement preservation stakeholders in the United States are concerned that a reinterpretation of the Americans with Disabilities Act last year by the U.S. Department of Justice (DOJ) and U.S. Department of Transportation (DOT) will lead to disruption of low-cost pavement ...

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Why repair cracks when you can avoid them altogether?

Sep 10, 2014

Why repair cracks when you can avoid them altogether?

Fibers in concrete bridges controls cracks High-performance, fiber-reinforced concrete controls cracks and provides satisfactory bond strengths in bridge deck construction, say Levon C. Hoomes, E.I.T., Celik Ozyildirim, Ph.D., P.E., principal research scientist, and Michael C. Brown, Ph.D., P.E., associate director, Virginia ...

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Rubber Expands

Sep 05, 2014

Rubber Expands

Asphalt containing rubber continues to stretch its way into more state Departments of Transportation.   By Tom Kuennen, Contributing Editor   After years of promotion, pavements using asphalt rubber, or rubberized asphalt (there’s a difference), are spreading far and wide in the United States. Formerly ...

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A crack-resistant road? You better believe it!

Sep 04, 2014

A crack-resistant road? You better believe it!

Stress-absorbing membrane interlayer in Rural Nevada In Washoe County, Nev. County Highway 447 was improved by cold in-place recycling, placement of a fiber-reinforced SAMI, and finished with a Type III slurry surfacing as the final wearing surface instead of a costly ...

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A road without fibers is a road soon to be in need of repair

Aug 29, 2014

A road without fibers is a road soon to be in need of repair

New research is reaffirming the benefits of steel or synthetic engineered fibers in asphalt pavements and concrete, where they enhance performance, replace fine matter, and in the case of concrete, control shrinkage cracking and keep deicing salts away from reinforcing ...

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Why Functional Fibers in Pavement and Bridges are Important

Aug 06, 2014

Why Functional Fibers in Pavement and Bridges are Important

Steel and synthetic engineered fibers are enhancing performance in asphalt pavements and concrete.  By Tom Kuennen, Contributing Editor New research is reaffirming the benefits of steel or synthetic engineered fibers in asphalt pavements and concrete, where they enhance performance, replace fine matter, ...

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