Argonne scientists discover new way to diagnose cracks in concrete | Argonne National Laboratory

A chemical reaction that causes concrete to crack and deteriorate can now be identified without harm, according to Argonne scientists. (Image by Shutterstock / Budimir Jevtic.) Although they are built to last for decades, bridges, dams, nuclear plants and other concrete structures are far from indestructible. One culprit is the alkali-silica reaction (ASR), often referred … Continue reading Argonne scientists discover new way to diagnose cracks in concrete | Argonne National Laboratory

“New OSHA Regulations On Concrete Silica Dust Exposure Rule” #Silica #Construction

On September 23, the U.S. Department of Labor will begin to enforce its reduction in the amount of silica that construction workers can be exposed to over an eight-hour day. The U.S Department of Labor will start enforcing its new concrete silica dust ruling for construction on September 23, 2017 (moved from June 23, 2017). … Continue reading “New OSHA Regulations On Concrete Silica Dust Exposure Rule” #Silica #Construction

Worker Rescued From Cement Silo In Holden, Massachusetts

    HOLDEN, Mass. — The Holden Fire Department rescued a man buried chest-deep inside a cement silo at Paquette Concrete in Holden Thursday afternoon. After receiving initial reports at approximately 1:58 p.m. that a worker was trapped in the silo, firefighters responded immediately to the scene at 1395 Wachusett Street. "He was in a … Continue reading Worker Rescued From Cement Silo In Holden, Massachusetts