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26 September 2024 Comparative analysis between field test and numerical simulation of post-grouting of large diameter and ultralong bridge pile foundation
Guangyu Zhang, Shengjian Zhang, JieSheng Zhang, Jianli Wu, Lvjun Zheng, Zhuo Gong, Zhiyuan Wei, Yongzheng Qi
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Proceedings Volume 13279, Fifth International Conference on Green Energy, Environment, and Sustainable Development (GEESD 2024) ; 132792I (2024) https://doi.org/10.1117/12.3044473
Event: Fifth International Conference on Green Energy, Environment, and Sustainable Development, 2024, Mianyang, China
Abstract
The technical feasibility of post-grouting for large-diameter, ultra-long bridge pile foundations was studied through numerical simulation of the ultimate bearing capacity of single piles before and after grouting. This study was conducted based on tests of the substructure of the South dike approach bridge of the Yellow River Great Bridge from Lanyuan Expressway to Lianhuo Expressway. The results indicate that the Q-s curves from both testing and simulation show consistent behavior with discrepancies of less than 15%, validating the numerical simulation’s ability to accurately predict engineering outcomes. Post-grouting significantly enhances the bearing capacity of the piles, approximately doubling their capacity compared to pre-grouting levels, thus meeting project requirements effectively.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Guangyu Zhang, Shengjian Zhang, JieSheng Zhang, Jianli Wu, Lvjun Zheng, Zhuo Gong, Zhiyuan Wei, and Yongzheng Qi "Comparative analysis between field test and numerical simulation of post-grouting of large diameter and ultralong bridge pile foundation", Proc. SPIE 13279, Fifth International Conference on Green Energy, Environment, and Sustainable Development (GEESD 2024) , 132792I (26 September 2024); https://doi.org/10.1117/12.3044473
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KEYWORDS
Bridges
Numerical simulations
Computer simulations
Analytical research
Elasticity
Resistance
Engineering
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