Mix Design: Page 55

Will Georgia DOT Commit to Women and Minority Contractors?

The Georgia Department of Transportation says it wants 14% of the work on a $950 million project to build 30 miles of reversible lanes in Atlanta to go to disadvantaged business enterprises

BA 7/35B Asphalt Binder Analyzer

Carbolite’s ABA 7/35B Asphalt Binder Analyzer simplifies and automates calculation of the asphalt binder content of hot mix asphalts (HMAs) used for in road surfacing.

Carbolite Aba 7 35b Touchscree 10772345

NCAT Tests Preservation Techniques

Myriad preservation methods, including slurry, micro surfacing, chip sealing and more, will be researched during the three-year study

Ncat Research Chip Seal Base 10771652

How to Achieve Success on Exposed Aggregate Polished Concrete Floors

Concrete polishing contractor Total Polish Solutions shares its best practices for this high-design, concrete floor finish that is often likened to terrazzo.

Total Polish Solutions was brought in to finish what other subcontractors could not on 99,000 square feet of exposed aggregate polished and burnished concrete floors at the University of North Carolina at Greensboro Studio Arts Design Center.

Heatec Offers New Brochure

Heatec Inc. - Astec Industries

New brochure highlights heaters, liquid storage tanks and more for asphalt producers and manufacturers.

Volvo Road Institute Releases 2012-2013 Course Schedule

Volvo Construction Equipment

The Volvo Road Institute will start its 48th year of training members of the hot mix and warm mix asphalt industries

Not-So-Fun Facts About Work Zone Accidents

What causes the most deaths in road construction?

How Nashville Preserves its Pavement

Willingness to test new materials, dedication to preservation drive Donald Reid’s program to preserve Nashville roads

Donald Reid says that when he does approve a test for Nashville he usually does it in conjunction with the Tennessee DOT. “It’s really a joint effort because it’s easier for me to find a road to put something down on that it is for the state, and we both benefit from whatever we learn from the test,” he says.

Midwest Stabilization Uses Full Depth Reclamation for 15 Percent Savings

Reduces labor, materials and trucking

After milling off 3-4 inches of the existing surface, Midwest Stabilization used a Wirtgen 2400 reclaimer to till the cement into the surface.

Video: Working Safely With Hot Mix

Construction safety video on hazards of working with hot mix asphalt and how to do the work safely.

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Aggregate Hardness Map of the United States

It's essential for contractors cutting and grinding concrete to choose diamond blades and abrasives based on the aggregate hardness of their geographical area.

Map of the U.S. featuring general hardness of the aggregate in that geographical location. Areas in red (California, Arizona, etc.) are granite, slate, traprock, basalt and quartzite. Areas in brown (Louisiana, Mississippi, etc.) are hard chert, quartz, flint rock and hard river rock. Areas in dark blue (Wisconsin, Indiana, etc.) are pit gravel, limestone and dolomite. Areas in light blue (Kansas, Missouri, etc.) are soft limestone, sandstone, dolomite limestone, siliceous and soft shell. Areas in yellow (New Mexico, Colorado, etc.) are medium hard river gravel, medium traprock, decomposed granite and medium crushed gravel.

AccuFoamer

Instrotek, Inc.

Accufoamer 2 10742229

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