Date of Award

2000

Degree Type

Thesis

Degree Name

M.A.Sc.

Department

Civil and Environmental Engineering

First Advisor

Madugula, M. K. S.,

Keywords

Engineering, Civil.

Rights

CC BY-NC-ND 4.0

Abstract

The compressive resistances of forty steel solid round specimens were experimentally determined for five different diameters of specimens ranging from 31.75 mm (1.25 in.) to 57.15 mm (2.25 in.). The effective slenderness ratios of the specimens varied from 59 to 117. The specimens were tested as pinned-end columns in vertical position loaded with a concentric axial compressive load. The applied load and the measured strains were recorded using a data-acquisition system. From the measured strain data, it was determined that only sixteen of the forty specimens had load eccentricities less than or equal to 1/500th of the effective length of the specimen. For these sixteen specimens the experimental failure loads were compared with the compressive resistances computed from the Canadian Standard CAN/CSA-S16.1-94 "Limit States Design of Steel Structures" and AISC-LRFD Specification "Load and Resistance Factor Design Specification for Structural Steel Buildings". The ratios of resistances computed from the Canadian Standard CAN/CSA-S16.1-94 to the experimental failure loads ranged from 0.98 to 0.79, and, for resistances computed from AISC-LRFD Specification the ratios ranged from 1.10 to 0.89. Finite element simulations were conducted on three specimens with effective slenderness ratios of 59, 87 and 117, and compared with experimental failure loads. Each specimen was divided into twenty two-node beam elements and was subjected to axial compressive load and an eccentricity-induced bending moment at the ends. Nonlinear effects due to material plasticity and large displacements were considered in the finite element analysis. The failure loads from the finite element analysis were 18% less than the experimental failure-loads.Dept. of Civil and Environmental Engineering. Paper copy at Leddy Library: Theses & Major Papers - Basement, West Bldg. / Call Number: Thesis1999 .M85. Source: Masters Abstracts International, Volume: 39-02, page: 0552. Adviser: M. K. S. Madugula. Thesis (M.A.Sc.)--University of Windsor (Canada), 2000.

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