More Articles for Falling Weight Deflectometer (FWD)

To Prevent Failure, Begin with Better Bases

Better Roads Staff - May 06, 2013

To Prevent Failure,  Begin with Better Bases

Fatigue cracking usually links to inadequate road foundations By Tom Kuennen, Contributing Editor Fatigue cracking in bituminous pavements is experienced by the public so often that it is considered just part of driving. Motorists endure it and assume it’s just part of ...

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Road Science

Better Roads Staff - Oct 09, 2012

Road Science

What Went Wrong, and Why   Forensic Studies Give Clues to Pavement Failure By Tom Kuennen, Contributing Editor   Whether the pavement is black or white, flexible or rigid, asphalt or concrete, pavement forensic testing is the key to preventing future pavement failures in either ...

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Highway Contractor

Brooke Wisdom - Dec 01, 2010

Highway Contractor

Half and Half One year later, a mat with 50-percent RAP looks really good. by P. Michael Harnsberger, Western Research Institute All photos courtesy of Western Research Institute. A stretch of asphalt in Canada, laid down in September 2009, is beginning to reveal its secrets. Initial ...

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