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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: Flat Slabs Supported On Columns
Elongated in Plan
Author(s): Sidney H. Simmonds
Publication: Journal Proceedings
Appears on pages(s): 967-976
Keywords: bending moments; concrete slabs; cracking (fracturing) ; deflections; elastic analysis;flat concrete plates; models; multistory buildings;rectangular columns;research;reinforced concrete;structural design.
Abstract:Moments and deflections in an interior panel of a continuous flat plate structure supported on columns whose cross sections were elongated in one direction only were determined by elastic analysis. Results obtained b varying the amount of elongation are compared with the empirical method of ACI 318-63. A reinforced concrete flat plate test structure consisting of nine panels was tested. Column elongation in long direction was 0.4 of span. The test structure was satisfactory for deflections and cracking at design load. Behavior at ultimate load was essentially one-way action. Recommendations for computing deflections of slabs supported on columns with elongated cross sections are given.
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