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 […]

New Tool for Slab Joints Reduces Concrete Cracking

A California-based consultant with 52 years of experience in the concrete industry has invented a device that, he says, makes installing ground slab joints easier, cheaper and safer than using traditional saw cuts. “The kind of work that I do as a concrete consultant has a lot to do with concrete cracking problems and concrete […]