Effect of Metal Corrosion on the Maximum Deflection of I-Section Steel Beams subjected to Sudden Short-Duration Constant Force
Received: 14 October 2024 | Revised: 6 November 2024, 22 November 2024, and 11 December 2024 | Accepted: 21 December 2024 | Online: 3 April 2025
Corresponding author: Trong Ha Nguyen
Abstract
This paper aims to determine the effect of metal corrosion on the maximum deflection of I-section steel beams subjected to sudden constant force in a short duration. To calculate this type of deflection, a model was developed and subsequently combined with a metal corrosion model, considering the beam’s cross-section and stiffness reduction. A series of investigations of the maximum steel beam deflection in different corrosive environments were carried out. The results showed that the maximum deflection of I-section steel beams varied from 6.63% (in rural environments) to 29.62% (in marine environments) after 100 years. These findings highlight the importance of considering long-term corrosion effects when designing steel structures, particularly those exposed to sudden and sustained forces in a short time.
Keywords:
steel beam, sudden constant force, environment, effective corrosion, maximum steel beam deflectionDownloads
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Copyright (c) 2025 Duy Duan Nguyen, Trong Ha Nguyen
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