construction aggregates
Crushed stone production up in second quarter
An estimated 321 million metric tons (Mt) of crushed stone were produced and shipped for consumption in the United States in the second quarter of 2013, according to the U.S. Geological Survey (USGS). The 321 Mt represent a slight increase… Keep Reading
First-quarter crushed-stone production down
According to the U.S. Geological Survey (USGS), an estimated 211 million metric tons (Mt) of crushed stone were produced and shipped for consumption in the United States in the first quarter of 2013 – a decrease of 4 percent compared with… Keep Reading
New standard sought to distinguish safe, harmful fines
A proposed ASTM International standard will be used to distinguish between harmful and non-harmful fines in construction aggregate. A test method to rapidly determine the methylene blue value for fine aggregate and mineral filler is being developed by a normal… Keep Reading
First-quarter aggregate production up 9.7 percent
An estimated 216 million metric tons (Mt) of crushed stone were produced and shipped for consumption in the United States in the first quarter of 2012, an increase of 9.4 percent compared with that of the same period of 2011.… Keep Reading
Vulcan Materials announces earnings improvement
Vulcan Materials Co., the nation's largest producer of construction aggregates, today announced what it calls significantly improved results for the first quarter ended March 31. Don James, chairman and CEO, said, "Our aggregates business delivered another quarter of strong improvement… Keep Reading
Rise of ‘rock and roll’
We first reported in January on The Freedonia Group’s World Construction Aggregates study. The group concluded that the global market for construction aggregates is expected to rise an average of 5.2 percent per year through 2015 and, more specifically, the… Keep Reading
