Analysis of Single-Angle Compression Members

Single-angle members are commonly used in various structures due to their ease of assembly. However, designing them as compression members can be challenging due to their asymmetric shape. The design approach for unequal-angle sections in India lacks sufficient study. This paper aims to compare the Indian and Canadian standard design approaches for analyzing single-unequal-angles as compression members with reference to Rankine’s column theory, and investigate their buckling behavior through finite element analysis. Additionally, the feasibility of using double-angle sections as replacements for single-angle sections with equivalent cross-sectional areas is explored. The findings indicate that the Indian standard approach is more optimal than the Canadian standard approach, and the use of double-angle replacements for single angles effectively eliminates torsional effects on buckling. This study contributes to a better understanding of the analysis and design of single-unequal-angle compression members.