Expansion joints are created through the installation of a soft material, such as wood or foam, along the edges of concrete slabs. The flexibility of these soft materials prevents damage that would ...
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 ...
Spalled concrete joints are the primary problem for a concrete floor. Though the joint is necessary to control cracking, they do provide opportunities for damage by impact from work done on the slab, ...
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