Behavior of Reinforced Fibrous Concrete Columns


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Title: Behavior of Reinforced Fibrous Concrete Columns

Author(s): R. John Craig, J. McConnell, H. Germann, N. Dib, and F. Kashani

Publication: Special Publication

Volume: 81


Appears on pages(s): 69-106

Keywords: axial loads; building codes; columns (supports); fiber reinforced concretes; metal fibers; shear properties; short columns; ties (reinforcement.

Date: 11/1/1984

The behavior of reinforced fibrous concrete columns was observed with a testing program of 36 columns. The theory was analyzed with the help of interaction diagram load-moment, which was developed for this investigation. Previous investigation results, equations, were modified to reflect the presence of fibers in the reinforced concrete columns. Fifteen columns with modeled dimensions of 6 by 4.75 inches were tested in pure axial compression with steel fiber contents of 0%, .75%, and 1.5% by volume with tie spacings ranging from 3 to 9 inches. Twenty-one columns were analyzed and experimentally tested to examine the shear behavior of axially loaded fibrous reinforced concrete short columns under double curvature bending.