Abstract
This paper presents pin-ended compression tests on steel equal angles. Three nominal section sizes were tested. Detailed measurements of material properties, residual stresses, and geometrical imperfections were conducted. The pin ended specimens were tested with a minimal eccentricity of L/1,000 applied about the minor axis to cause compression at the tips of the legs. The test data are compared with the Indian specifications for hot-rolled steel structures. The section capacities obtained from the column tests are found to be between 15 and 40% higher than those calculated according to the specifications. It is concluded that there is no need to include the additional eccentricity specified in the steel structures standards accounting for the shift of the effective centroid, and that the eccentricity of L/1,000, specified for all section classes, should be applied to slender sections only.
Highlights
Single-angle compression members are simple structural elements that are very difficult to analyze and design
An experimental investigation was carried on the buckling strength of structural steel angles; various eccentricities and slenderness ratios were include and the test results agreed with theoretical predictions
This paper presents the results of hinged ended compression tests includes 12 one bolt, 6 two bolts and 6 welded end fixity considered test specimen performed for single equal angle section connected to gusset plate
Summary
Single-angle compression members are simple structural elements that are very difficult to analyze and design. These members are usually attached to other members by one leg only. An experimental investigation was carried on the buckling strength of structural steel angles; various eccentricities and slenderness ratios were include and the test results agreed with theoretical predictions. Underestimate the load carrying capacity of single-angle compression members attached by one leg to a gusset plate. This paper presents the results of hinged ended compression tests includes 12 one bolt, 6 two bolts and 6 welded end fixity considered test specimen performed for single equal angle section connected to gusset plate. The specific objectives of this program are to test slenderand non-slender equal angle columns, to compare the test resultswith the multiple column curves in IS 800: 2007
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