Flat Plates with Regular and Irregular Column Layouts. I: Analysis
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VIEW THE REPLYPublication: Journal of Structural Engineering
Volume 120, Issue 5
Abstract
By the use of the structural membrane theory, an effective and accurate method for determining bending moments in flat plates is developed. This involves using a three‐dimensional model, which removes the inherent limitations of the two‐dimensional frame representation of plates as recommended in the ACI 318 code. For square and rectangular layouts, this method yields excellent agreement with existing test data. The method makes it possible to analyze plates with triangular, hexagonal, and other regular column arrangements. It furthermore furnishes an approximate design for plates with irregular column layouts. Originally developed for the design of thin shells supported on irregularly spaced columns, the structural membrane theory provides accurate results for similarly supported flat plates. With extreme simplicity in both input and output files, combined with limited requirements for computer memory and computer time, it promises to become a popular tool for the practicing engineer.
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References
1.
Saether, K. (1961). “The structural membrane.” ACI J., 32(7), 827–850.
2.
Timoshenko, S., and Woinowsky‐Krieger, S. (1959). Theory of plates and shells. McGraw‐Hill Book Co., New York, N.Y.
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Copyright © 1994 American Society of Civil Engineers.
History
Received: Aug 10, 1992
Published online: May 1, 1994
Published in print: May 1994
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