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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Slabs Subjected to Concentrated Loading
Author(s): R. C. Fenwick and A. R. Dickson
Publication: Structural Journal
Appears on pages(s): 672-678
Keywords: concrete slabs; cracking (fracturing); flexural strength; load-deflection curve; loads (forces; reinforced concrete; shear strength; shrinkage; stresses; tension; tests; Structural Research
Abstract:Concentrated load tests on three one-way reinforced concrete slabs are described. The experimentally measured bar forces are compared with the predicted response obtained from standard thin-plate theory. The first slab was simply supported, the second was flexurally restrained, and for the third slab, the supports provided both flexural and lateral restraint approaching full fixity. In the first two slabs, the peak reinforcement forces were found to be between 50 and 65 percent of the theoretical values, while in the third slab they were close to 35 percent of this value. The discrepancies between the theoretical and experimental results are explained by the presence of membrane action, the tensile resistance of concrete at a cracked section, and a greater spread of flexural actions than is indicated by thin plate theory. 214-190
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