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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: Deflections of Concrete Slabs Under Construction Loading
Author(s): Cameron J. Graham and Andrew Scanlon
Publication: Special Publication
Appears on pages(s): 167-184
Keywords: concrete construction; cracking (fracturing);
deflection; flat concrete plates; formwork (construction); loads
(forces);multi-story buildings; shoring; structural analysis; two- - . way slabs.
Abstract:The effect of construction loading on deflection of flat plate slabs is investigated. Progressive cracking, as load is incremented to the shored slab, is included in the finite element analysis for instantaneous deflections. Individual creep curves that reflect the loading age of concrete are superimposed to obtain total creep deflections. Overall long-time deflections also include shrinkage effects. Results calculated for a multistory flat plate structure are in good agreement with a set of measured one-year deflections.
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