cementitious – Concrete Products

Cementitious, pozzolanic material plant project grants approach $110M

October 29, 2024October 29, 2024 ConcreteAdmin

Sources: U.S. Department of Energy; CP staff The Department of Energy Office of Manufacturing and Energy Supply Chains (MESC) has announced $428 million for 14 projects to accelerate clean energy manufacturing, each subject to final negotiation and industry cost-sharing commitments. More than a quarter of the funding could spur three projects involving primary or supplementary concrete binders.

Ultrasonic Device Gauges Concrete Set Time, Optimal Mix Placement Rate

January 17, 2014 CP Staff

Until now the so-called knead bag test has been used to determine concrete hardening or solidification time, tE. It entails filling a plastic bag with a small amount of mix, testing at different time intervals to measure when the concrete can no longer be pressed by thumb. European practitioners find the method subjective and uncertain, which is why the time determined in accordance with the German DIN 18218 standard must be extended by 25 percent.