RESEARCH PAPER
Numerical investigation on effects of steel I-section beams on the blast resistance of a stiffened steel tank under blast loading
1
School of Safety Science and Engineering, Changzhou University, China
2
Shandong University of Science and Technology, China
Submission date: 2024-08-14
Final revision date: 2024-09-16
Acceptance date: 2024-11-11
Online publication date: 2024-11-11
Publication date: 2024-11-11
Corresponding author
Eksploatacja i Niezawodność – Maintenance and Reliability 2025;27(2):195802
HIGHLIGHTS
- Structural reliability of a steel tank with horizontal stiffeners under blast loading.
- Horizontal stiffening ring enhanced the overall structural integrity of a steel tank.
- Larger beam dimensions contribute to increased bending and shear stiffness.
KEYWORDS
Finite element simulationStructural reliabilityStorage tankStructural integrityBlast loadingFailure mechanisms
TOPICS
ABSTRACT
The hazardous chemical storage tank faces a vital explosion risk, making reliability a critical concern. This study investigates the horizontal stiffening ring as an effective anti-blast measure to enhance the reliability of steel tanks under explosive conditions. Through numerical examination based on CONWEP model, we assessed the impact of vertical spacing between adjacent horizontal stiffening rings and their dimensions on the tank's blast resistance and overall structural integrity. The results suggest that a marked improvement in the tank's reliability and blast resistance with the addition of stiffening rings as horizontal stiffeners. The deformation shapes of the stiffened steel tank were less pronounced, and the radial displacements were smaller compared to an unstiffened steel tank. Additionally, the addition of horizontal stiffening rings enhanced the overall stiffness and stability of the steel tank. Furthermore, larger beam dimensions contribute to increased bending and shear stiffness, resulting in smaller deformations and better blast resistance of the steel tank.
ACKNOWLEDGEMENTS
The authors are grateful for the financial support given by the National Key Research and Development Plan of China (No. 2021YFC3001203), National Natural Science Foundation of China (No. 52304205), Natural Science Foundation of the Jiangsu Higher Education Institutions of China (No. 21KJB620003), Applied Basic Research Program of Changzhou (No. CJ20230031), and Openning Project of Engineering Laboratory of Battery Safety and Accident Control of Petroleum and Chemical industry, Changzhou University (No. ELBSAC202305).
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| eISSN: | 2956-3860 |
| ISSN: | 1507-2711 |
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