Assessing misalignment effects on undrained HV capacity of caisson anchors in heterogeneous clays using a gradient Boosting–Differential evolution framework
Article
Vichai, Katavut, Tran, Duy Tan, Shiau, Jim, Keawsawasvong, Suraparb and Jamsawang, Pitthaya. 2025. "Assessing misalignment effects on undrained HV capacity of caisson anchors in heterogeneous clays using a gradient Boosting–Differential evolution framework." Ocean Engineering. 335. https://doi.org/10.1016/j.oceaneng.2025.121646
Article Title | Assessing misalignment effects on undrained HV capacity of caisson anchors in heterogeneous clays using a gradient Boosting–Differential evolution framework |
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ERA Journal ID | 4710 |
Article Category | Article |
Authors | Vichai, Katavut, Tran, Duy Tan, Shiau, Jim, Keawsawasvong, Suraparb and Jamsawang, Pitthaya |
Journal Title | Ocean Engineering |
Journal Citation | 335 |
Article Number | 121646 |
Number of Pages | 17 |
Year | 2025 |
Publisher | Elsevier |
ISSN | 0029-8018 |
1873-5258 | |
Digital Object Identifier (DOI) | https://doi.org/10.1016/j.oceaneng.2025.121646 |
Web Address (URL) | https://www.sciencedirect.com/science/article/pii/S0029801825013526 |
Abstract | Misalignment is a critical factor influencing the horizontal-vertical (HV) load capacity of caisson foundation anchors. This study employs Finite Element Limit Analysis (FELA) integrated with a Gradient Boosting–Differential Evolution (GB-DE) framework to systematically investigate the impact of misalignment angles (β = 0°–90°) across varying embedment ratios (L/D) and soil heterogeneity levels (κ). Results reveal that the HV capacity increases with the load inclination angle β. This effect is amplified with greater embedment depth and influenced by the degree of soil heterogeneity, highlighting the complex interaction between geometric and geotechnical parameters. The findings demonstrate that misalignment can enhance soil-structure interaction, leading to increased resistance capacity. The GB-DE model achieves high predictive accuracy (R2 = 0.999), highlighting its effectiveness in optimizing caisson anchor performance under misaligned conditions. These insights emphasize the importance of incorporating misalignment considerations into anchor design to improve load-bearing efficiency and structural stability. |
Keywords | Caisson foundation; Misalignment; Undrained HV capacity; Offshore anchoring |
Contains Sensitive Content | Does not contain sensitive content |
ANZSRC Field of Research 2020 | 400502. Civil geotechnical engineering |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
Byline Affiliations | Thammasat University, Thailand |
Ho Chi Minh City University of Transport, Vietnam | |
School of Engineering | |
King Mongkut’s University of Technology North Bangkok (KMUTNB), Thailand |
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