Quality Assurance for Industrial Floors


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Title: Quality Assurance for Industrial Floors

Author(s): Calvin McCall, Dennis Phillips, Kim Basham, Mark Kelly, and Bruce A. Suprenant

Publication: Concrete International

Volume: 26

Issue: 3

Appears on pages(s): 44-47


Date: 3/1/2004

Owners of industrial buildings are concerned with floor performance, and especially floor load-carrying capacity. Specifications indicate what needs to be done to provide the desired load-carrying capacity, but several variables determining that capacity—such as the subbase support value, K, and the slab thickness—aren't normally measured. Compressive strength may be the only variable that is routinely measured. If strength is low, it may be necessary to investigate the as-built load bearing capacity, in which case a knowledge of thickness and K-values is needed. If one variable is low, but other variables are higher than the design values, load-carrying capacity may still be adequate. If the capacity isn't adequate, it may be possible to quantify the degree of inadequacy.