9/17/2023 0 Comments Concrete slab crack inducersBecause of constructability issues and costs associated with two layers of reinforcement, structural slabs-on-ground are not as common as nonstructural slabs. Most structural slabs-on-ground have both top and bottom layers of reinforcement for controlling crack-widths and increasing load capacities. ![]() Structural reinforcement is typically placed in the bottom portion of the slab thickness to increase the slab's load capacity. Shrinkage and temperature reinforcement is different than structural reinforcement. This type of reinforcement is commonly called shrinkage and temperature reinforcement. ![]() When positioned in the upper or top portion of the slab thickness, steel reinforcement limits the widths of random cracks that may occur because of concrete shrinkage and temperature restraints, subbase settlement, applied loads or other issues. Most slabs-on-ground are unreinforced or nominally reinforced for crack-width control.
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