Stability Analysis of Steel Columns with Fixed-Free Ends under Axial Compression: Uniform and Non-Uniform Square Hollow Sections
Journal Title: Journal of Civil and Hydraulic Engineering - Year 2024, Vol 2, Issue 2
Abstract
This study investigates the stability of steel columns subjected to axial compression, focusing on square hollow sections (SHS) with both uniform and non-uniform cross-sections. The stability of fixed-free end SHS columns with uniform cross-sections was initially verified using analytical equations. To obtain the critical load and design buckling resistance for each SHS column, Finite Element Analysis (FEA) was employed. The results indicate that while analytical equations can validate the stability of uniform SHS columns, they are insufficient for columns with non-uniform cross-sections. Consequently, the FEA emerges as a robust alternative for analyzing columns with varying cross-sections along their length. This study highlights the necessity of numerical methods for verifying the stability of structurally complex columns, such as those with perforations for mechanical and electrical applications. The finite element model was validated and applied to non-uniform cross-section columns, providing insights into the stability of these columns under practical conditions. This research aims to offer an alternative analytical approach for structural engineering applications where column stability is critical, especially for non-uniform cross-sectional designs that facilitate handling processes in various engineering scenarios.
Authors and Affiliations
Elza M. M. Fonseca
Keywords
Related Articles
- EP ID EP738919
- DOI https://doi.org/10.56578/jche020204
- Views 73
- Downloads 0
Optimization of Ball-Milling Parameters for Enhanced Compressive Strength of Coal Gangue Cement Paste: A Response Surface Methodology Approach
The substitution of cement with coal gangue powder (CGP) offers significant potential for energy conservation, emission reduction, and environmental sustainability. To optimize the mechanical properties of coal gangue ce...
Numerical Analysis of Slope Stability in a Coal Mine Waste Dump Under Coupled Hydro-Mechanical-Thermal Influences: A Case Study of Maamba, Zambia
The instability of mining waste dumps poses significant environmental hazards, including loss of life, damage to infrastructure, and ecological degradation. The complex interdependence of Thermal, Hydraulic, and Mechanic...
Bibliometric and Scientometric Trends in Structural Health Monitoring Using Fiber-Optic Sensors: A Comprehensive Review
The construction, maintenance, and repair of civil infrastructure demand substantial economic investment, underscoring the necessity of structural health monitoring (SHM) to mitigate property loss resulting from structur...
Numerical Evaluation of Pile-Driving-Induced Vibrations in Soil and Their Impact on Adjacent Structures
In urban environments, the scarcity of available land often necessitates the construction of closely spaced, high-rise buildings, which rely heavily on pile foundations to support substantial loads. However, the pile-dri...
Enhancing Stone Mastic Asphalt through the Integration of Waste Paper and Cement Kiln Dust
In the realm of civil engineering and industrial construction, the infusion of waste materials into road pavements has emerged as a pivotal strategy for augmenting the attributes of asphalt mixtures while concurrently mi...