Patrick Harrison

Patrick Harrison's Posts

What is Fly Ash?

Fly ash is a byproduct from burning pulverized coal in electric power generating plants. During combustion, mineral impurities in the coal fuse in suspension and float out of the combustion chamber with the exhaust gases. As the fused material rises, it c Read more

Posted on:
Adding Fly Ash to Concrete Mixes for Floor Construction Adding Fly Ash to Concrete Mixes for Floor Construction

Wal-Mart Stores Inc. has changed their construction specifications to require all interior steel-troweled concrete floors placed at Wal-Mart Stores, Supercenters, Neighborhood Markets, Sam's Clubs, and Distribution Centers to contain 15% to 20% fly ash by Read more

Posted on:
Bonded Overlay Beefs Up Freezer Floor

When a major Midwestern food processor wanted to increase the thickness of an existing 4-inch-thick freezer-warehouse floor to at least 5 inches to carry additional storage loads, the concrete contractor opted to use a bonded overlay rather than full-depth floor replacement. The overlay was faster to install and provided the durable, long-term performance that was required at a lower cost. Read more

Posted on:
Close X