Contents September 2012 Volume 82, Number 9
SPECIAL SERIES
A 16
The Chemistry of Road Building Materials
ROADSCIENCE One More Time
The growth of reclaimed and recycled materials continues to grow. But RAP, RAS, RCA and GTR come from a variety of sources, and that means they must be physio-chemically characterized before they can be added to mixes. The sixth story in our seven-part series, The Chemistry of Road Building Materials Cover photo courtesy of Tom Kuennen
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HIGHWAY CONTRACTOR The Times they are a Changin'
Charles Darwin wrote, "It is not the strongest of the species that survive, nor the most intelligent, but the one most responsive to change." Our industry now finds itself forced to face change and be responsive to it. The alternative may be to be left behind.
Plus: FINANCIAL DISTRICT looks at ways contractors can adapt to changes that are resulting in a wider variety of delivery methods and changes in the qualifications of who can compete.
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COLUMNS & DEPARTMENTS 3 Lattatudes
40 Kirk Landers BetterRoadsDigital.com Facebook Twitter www.facebook.com/betterroadsmagazine
PRODUCTS & SERVICE 36 Marketplace 39 Advertiser Index
BetterRoads.com WEB EXCLUSIVES AND DIGITAL SPECIALS
We're ramping our web exclusive section of BetterRoads.com. Just go to our website and click on "Web Exclusives" and "Contributed Case Histories." Here's what to look for throughout the month of September:
Underwater Bridge Inspection. High-resolution sonar imaging is becoming increasingly relied upon to augment underwater bridge inspections and provide information on bridge piers.
www.Twitter.com,@BetterRoads Connect to Better Roads at www.LinkedIn.com
Rebuilding a Legacy The building of the new Lake Champlain Bridge in New York State was a historic process, one that worked in an innovative and effi cient way to restore a critical transportation link between states.
Is it time for a new wheel loader? Advanced electronics, drivetrain refi nements make the case for a new machine. Check this out in our digital edition (www.betterroads.com/digital).
Better Roads September 2012 1
APPLICATIONS & INNOVATIONS OGFCs
Open-graded friction courses may not be for everyone, but with attributes such as less spray and less noise, they are gaining acceptance and bringing another option to the table for some road sections.
