Developments for Concrete Slabs On Ground Contraction Joints | ACI 332-20

Two new developments have recently occurred regarding the installation of contraction joints in slabs-on-ground. First, the ACI Committee on Residential Concrete now recognizes joints, installed soon after concrete placement, as early contraction joints. The types of joints that meet this category are tooled joints, inserts, and early entry saw-cuts. The depth requirement for these joints […]

Want to Maximize Your Muscle Gains? Your Workout Needs This Type of Exercise.

“Hearst Magazines and Yahoo may earn commission or revenue on some items through these links.” YOU CAN CLASSIFY exercises in a number of ways—by muscle group, , or implement used, for example—but one of the most basic methods is whether it’s a (using multiple joints) or an isolation movement (which requires movement at only one […]