Research Article
Apr 1971
Concrete Column Design by AASHO Specifications
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VIEW THE REPLYPublication: Journal of the Structural Division
Volume 97, Issue 4
Abstract
The AASHO specifications of concrete column design fail to ensure consistent and uniform results for the following two reasons: (1) The design methods for cracked and for uncracked sections yield dissimilar answers at their common boundary; and (2) it is left to the discretion of the designer to work with a modular ratio of either n = 10 or n = 20. A method is proposed by which the demonstrated inconsistencies can be eliminated and interaction diagrams are presented which permit the direct determination of reinforcing requirements for the most common column configuration including the case of bending about two axes. The proposed method is purely pragmatic, applies to working stress design only and is solely intended to offer a convenient means of obtaining uniform and consistent results within the framework of the current specifications.
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Information
Published In
Journal of the Structural Division
Volume 97 • Issue 4 • April 1971
Pages: 1187 - 1201
Copyright
© 1971 American Society of Civil Engineers.
History
Published in print: Apr 1971
Published online: Feb 1, 2021
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Authors
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Hans H. Fickel, M.ASCE
Chf. Struct. Engr., VTN Inc., Coral Gables,F. L.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
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