June 18, 2013 – It's a case of down, but up. Total shipments of portland and blended cement in the United States and Puerto Rico for March 2013 were about 5.8 million metric tons (Mt), according to USGS. This was nearly 3 percent less than shipments in March 2012.
June 10, 2013 – According to NSSGA, it does not appear that the nominations for the U.S. Environmental Protection Agency Administrator Gina McCarthy and Secretary of Transportation Anthony Foxx will be moving anytime soon – but for different reasons. McCarthy’s nomination has caused quite a bit of heartburn for many in the Senate’s GOP from the onset.
Read more: EPA, Transportation Confirmations in Holding Pattern
June 7, 2013 – I am blogging live this week from Pittsburgh, where Rock Products is hosting the first-ever Frac Sand Insider Conference and Exhibition.
May 27, 2013 – Are you tired of fatigue? Caterpillar Global Mining has entered into an alliance agreement with Seeing Machines Limited to deliver and support operator fatigue-monitoring technology through its Cat dealer network. Seeing Machines, headquartered in Canberra, Australia, has developed fatigue-monitoring systems using patented eye and head tracking technology to detect operator fatigue and distraction and to alert the mine controller and the machine operator.
May 23, 2013 – Well, the numbers are in and they are disappointing. The estimated U.S. output of construction aggregates produced and shipped for consumption in the first quarter of 2013 was 352 Mt, a decrease of 3 percent compared with that of the same period of 2012.
Mark S. Kuhar, based in Ohio, is the editor of Rock Products, Cement Americas and Frac Sand Insider. After graduating from Ohio University, and working in industrial and public service jobs for several years, he began his editorial career in 1987 as an assistant editor on Pit & Quarry and Concrete magazines. Since taking over the helm of Rock Products, he has continued to develop new products to serve the aggregates industry, including the Crushing & Breaking Spec Guide, Frac Sand Insider e-newsletter, Frac Sand Insider Conference and Expo, the Rock Products Latin American Aggregates Seminar at ConExpo Latin America, The Aggregates Almanac and the International Cement Seminar. SEMCO Publishing, with Rock Products, Cement Americas, Concrete Products and The Asia Miner, is the market share-leading publisher of print advertising and digital content for the construction-materials industry.
