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ESTD Year: 2017 | Impact Factor: 6.9
DOI Prefix: 10.47001/IRJIET
ESTD Year: 2017 | Impact Factor: 6.9
DOI Prefix: 10.47001/IRJIET
Vol 10 No 7 (2026): Volume 10, Issue 7, July 2026 | Pages: 1-7
International Research Journal of Innovations in Engineering and Technology
OPEN ACCESS | Research Article | Published Date: 13-07-2026
The stability of chimneys against wind forces is a critical concern in structural engineering, since these narrow structures are especially susceptible to wind-induced vibrations and lateral stresses. This thesis evaluates the primary structural elements influencing chimney stability, including shape, material properties, dynamic response, and aerodynamic effects. The research utilizes analytical modelling, finite element analysis (FEA), and case studies to determine the key characteristics affecting performance, such as slenderness ratio, natural frequency, and wind load distribution. The research highlights the correlation between structural design and environmental stresses, emphasizing the need for thorough evaluation methods to prevent failures. Wind forces exert complex dynamic stresses on chimneys, leading to potential resonance, vortex shedding, and fatigue-related damage. This research investigates the impact of wind speed, turbulence severity, and directionality on chimney performance, using computational fluid dynamics (CFD) simulations to predict airflow patterns. The results demonstrate that structural damping and stiffness are critical for mitigating oscillations, whereas poor design might intensify dynamic reactions. The influence of adjacent terrain and proximate structures on wind flow is examined, providing insights into site-specific stability concerns. The thesis finishes with practical solutions for optimizing chimney design to enhance wind resistance, including helical strakes, adjustable mass dampers, and advanced material choices. A comparative examination of current design codes (e.g., Eurocode, ASCE) is presented, emphasizing shortcomings and proposing improvements for safer and more efficient chimney building. This study improves structural reliability and risk evaluation for tall chimneys in wind-exposed regions by the integration of theoretical, computational, and empirical approaches. The findings serve as a crucial reference for engineers and designers aiming to improve the robustness of these buildings against wind-induced collapses.
Chimney stability, Wind forces, Structural factors, Vortex shedding, Crosswind oscillations, Aerodynamic stability, Dynamic response, Structural damping.
Azhar Rashid Bhat, Dr. V.K Saini, & Dr. S.K Chandel. (2026). Effect of Geometric Parameters on Wind-Induced Stresses in Tall Chimney Structures. International Research Journal of Innovations in Engineering and Technology - IRJIET, 10(7), 1-7. Article DOI https://doi.org/10.47001/IRJIET/2026.107001
This work is licensed under Creative common Attribution Non Commercial 4.0 Internation Licence
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