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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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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 Reinforced Concrete Slabs
Author(s): Musa R. Resheidat
Publication: Special Publication
Appears on pages(s): 407-418
Keywords: computer programs; concrete slabs; cracking (frac-turing);
deflection; loads (forces); reinforced concrete;
reinforcing steels; serviceability; structural design.
Abstract:The bending moments for any slab subjected to given loads are calculated by means of linear elastic methods. The required area of steel reinforcement can be calculated by using a method of ultimate strength design. Computations of slab deflections are carried out by modeling the moment-deflection relationship into a bilinear curve. This simplified approach considers the influence of reinforcement as well as the material properties of both concrete and steel. Deflections corresponding to the cracking and service loads are easily computed. Comparison with the ACI approach is also made. A computer program is written by the author and coded by FORTRAN 77 to carry out the numerical calculations. It is concluded that this method reflects the actual behavior of reinforced concrete slabs with respect to the estimated cracking and service load deflections.
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