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The New Jersey Institute of Technology's
Electronic Theses & Dissertations Project

Title: Behavior of square and L-shaped slender reinforced concrete columns under combined biaxial bending and axial compression
Author: Tsao, Wen Hu
View Online: njit-etd1991-040
(xv, 179 pages ~ 6.0 MB pdf)
Department: Department of Civil and Environmental Engineering
Degree: Doctor of Philosophy
Program: Civil Engineering
Document Type: Dissertation
Advisory Committee: Hsu, C.T. Thomas (Committee chair)
Ansari, Farhad (Committee member)
Saadeghvaziri, M. Ala (Committee member)
Schuring, John R. (Committee member)
Ezeldin, A. Samer (Committee member)
Date: 1991-12
Keywords: Reinforced concrete--Testing.
Columns, Concrete--Testing.
Axial loads.
Strains and stresses.
Availability: Unrestricted
Abstract:

A numerical analysis was developed to evaluate the complete load-deflection and moment-curvature relationships for square and L-shaped slender reinforced concrete columns subjected to biaxial bending and axial load. This computer model can be used for any cross section geometry and material properties of normal concrete. The analysis was based on a deformation control and both the ascending and descending branches of curves can be studied. The finite difference method was introduced to calculate the deflections which satisfy the compatibility equations. Six square slender columns and eight L-shaped slender columns were tested to compare their experimental load-deformation results with the analytical results derived from the theoretical studies. A satisfactory agreement was achieved for the present study. The results of present study can be used for future design reference.


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