Will EPA give operations a two-year reprieve with air-quality standards?

Tina Grady Barbaccia - Aug 09, 2012

The U.S. Environmental Protection Agency (EPA) may give operations a reprieve with its proposed amendments to air quality rules that the agency set in 2010 to regulate cement manufacturing. In late June, the EPA proposed delaying implementation of the rules of ...

RoadScience

Better Roads Staff - May 06, 2012

A Concrete Solution: Admixtures Change PCC Performance By Tom Kuennen, Contributing Editor Portland cement concrete (PCC) is the most widely used structural material in transportation infrastructure, and it’s widely used for pavements as well. But the control of freshly mixed PCC properties is ...

Highway Contractor

Better Roads Staff - Jan 12, 2012

Another Testing 12 Months The recovery continues. Slowly. Slowly. It’s frustrating (again) to have to say it, but it appears that this new year will offer us more of the same. Last year virtually repeating itself, as did the year before that and ...

Road Science Tutorial

Better Roads Staff - Jul 07, 2011

Quiet Moves A war is being waged on noise generated by pavements and highways. By Tom Kuennen, Contributing Editor Today, highway noise is considered an undesirable emission, just as if it were a noxious gas out of the tailpipe. But road designs can ...

‘Rally for the Roads’ on May 25 in D.C. will tout need for adequate highway funding

Tina Grady Barbaccia - May 21, 2011

The National Stone, Sand & Gravel Association (NSSGA) and its allied trade associations will sponsor a “Rally for Roads” on the National Mall in Washington, D.C., on May 25 at 11 a.m. EDT, to bring attention to the critical need ...

RoadScience

Brooke Wisdom - Jan 01, 2011

Ternary Concrete Mixes Offer High Performance Reclaimed industrial byproducts play role in high-performance and ultra-high-performance mixes By Tom Kuennen, Contributing Editor Ternary and quaternary portland cement concrete mixtures – those incorporating three or four products into their cementitious components – are providing transportation ...

Portland Cement Association: Residential, nonresidential sectors likely to remain weak

Tina Grady Barbaccia - Dec 03, 2009

Although recent economic news and activity may suggest a technical end to the “Great Recession,” the conditions facing the construction industry are likely to remain weak for another year or more, causing a drag on cement consumption, according to the ...