Hollow Core Camber

Every time we provide a lunch & learn on hollow-core plank there are several questions pertaining to the amount of camber on hollow-core plank. Camber is inherent in all prestressed precast products. It is the upward deflection created by the prestressed forces in the strands located below the center of gravity. Camber is required to resist design loads and in the hollow-core plank it compresses the bottom more than the top.

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