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Journals / Sakarya University Journal of Science / 2026 / Volume: 23 Issue: 2

Effects of The Shell Thickness On The Directional Deformation And Buckling On The Cylindrical Steel Water Tanks Under The Kobe Earthquake Loading

Ali İhsan Çelik(ADIYAMAN ÜNİVERSİTESİ)0000-0001-7233-7647
Mehmet Metin Köse(KAHRAMANMARAŞ SÜTÇÜ İMAM ÜNİVERSİTESİ, MÜHENDİSLİK-MİMARLIK FAKÜLTESİ)0000-0002-7462-1577
Tahir Akgül(SAKARYA ÜNİVERSİTESİ)0000-0003-4826-9212
Ahmet Celal Apay(SAKARYA ÜNİVERSİTESİ)0000-0003-4826-9212
Pages
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Publication Date
2019-04-01
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The differences obtained are detailed with

📌 3 Key Takeaways

🎯
Objective & Hypothesis:Cylindrical steel storage tanks are widely used for the storage of various liquids, industrial chemicals and firefighting waters.
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Key Findings & Data:Dimensions of cylindrical open-top, flat-closed and torispherical-closed top tanks were determined for 3D-finite element method (FEM) models in an ANSYS workbench software.
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Conclusion & Impact:The differences obtained are detailed with
🔬Design:Modeling & Simulation
📍Scope:Comprehensive Sample
⚙️Variables:Cylindrical Storage Tank · API 650 · FEM Analysis

Abstract

Cylindrical steel storage tanks are widely used for the storage of various liquids, industrial chemicals and firefighting waters. They have been used for cooling purposes in nuclear power plants in recent years. Liquid-storage tanks have many different configurations; however, in this study, cylindrical ground-supported liquid steel tanks were preferred because of their simplicity in design and construction as well as their efficiency in resisting hydrostatic and hydrodynamic applied loads, when compared with other configurations. If liquid steel tanks are damaged in an earthquake, they can also cause great financial and environmental damage with their hazardous chemical contents. These tanks may be exposed to some damages such as elephant-foot buckling, diamond-shape buckling, overturning and uplifting during earthquakes. Dimensions of cylindrical open-top, flat-closed and torispherical-closed top tanks were determined for 3D-finite element method (FEM) models in an ANSYS workbench software. This article focuses on the seismic-activity-resistant ground-supported cylindrical (vertical) steel storage liquid tanks. Seismic analyses were conducted under Kobe earthquake loads. The frequency values calculated with API 650 were verified with the FEM model results. Directional deformation, buckling results were presented for both impulsive and convective regions. According to API 650 standard, the tank shell thickness is 6 mm. Simulations were performed with 4 mm and 8 mm shell thickness for tanks. In this study, directional deformation and buckling were observed with simulations made by choosing the shell thickness under (4 mm) the standard and above (8 mm) the standard, unlike the approaches in the literature. As a result, it was observed that the 8 mm shell thickness determined above the standard increased the deformation in the flat-closed tank. In addition, torispherical dome-shaped tanks have been observed to lower directional deformation and buckling in any case. The differences obtained are detailed with

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Cite This Article

Çelik, A. İ., Köse, M. M., Akgül, T., Apay, A. C. (2019). Effects of The Shell Thickness On The Directional Deformation And Buckling On The Cylindrical Steel Water Tanks Under The Kobe Earthquake Loading. Sakarya University Journal of Science, Volume: 23 Issue: 2. https://doi.org/10.16984/saufenbilder.423872

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