Aggregate Industries Quarry Honored by IAAP

Aggregate Industries’ McHenry Sand and Gravel site received the Illinois Association of Aggregate Producers (IAAP) Industry Leadership Award. This award is given to member mine sites that have demonstrated leadership in the industry while promoting the image and wellbeing of their mine sites, employees and the industry as a whole.

Read More

PERMITTING – APRIL 2016

CEMEX MINE FACING CLOSURE In a March 17 letter to Cemex, the California Coastal Commission informed the company that its sand mining operation in Marina, Calif., is in violation of both the California Coastal Act and the city of Marina’s Land Use Plan. The letter, written by Acting Executive Director John Ainsworth, orders Cemex to shut the mine down and…

Read More

‘American Superhero’ Keynotes Young Leaders Luncheon

Curt Cronin now uses his 16 years of experience as a Navy SEAL to maximize human potential. Former U.S. Navy SEAL Curt Cronin was the keynote speaker for the National Stone, Sand and Gravel Association (NSSGA) Young Leaders luncheon at NSSGA’s Annual Convention and AGG1 Academy & Expo. The luncheon was sponsored by Rock Products. “Today’s speaker is a real American…

Read More

FIRST LOOK – APRIL 2016

TOP NEWS AGG1 Breaks Records in Nashville The 2016 AGG1 Academy & Expo broke records for attendance, exhibit and education numbers, according to show organizers. Registered attendance of more than 9,000 beat the record set last year in Baltimore by 18 percent. Rogers Group Makes Big Changes At the March 18 meeting of the board of directors of Rogers Group Inc. (RGI), Darin Matson was…

Read More

Riddle Of Cement’s Structure Finally Solved

After stone, concrete is the world’s most widely used construction material. Yet answers to some fundamental questions about the microscopic structure and behavior of this ubiquitous material have remained elusive. As you know, concrete forms through the solidification of a mixture of water, gravel, sand and cement powder. Is the resulting glue material (known as cement hydrate, CSH) a continuous…

Read More
1 112 113 114 115 116 165