Abstract
In the 2016 Kumamoto Earthquake, reported that the pile foundations of many buildings were damaged. Evaluating the elasto-plastic behaviour and ultimate strength of RC pile foundations is important to prevent from being damaged. In this paper, to investigate the elasto-plastic behaviour of soil-RC pile interaction, static loading test was performed under a 50G field to reduced RC pile model and soil-RC pile interaction. The diameter of the reduced pile model was 25 mm (Full scale: 1.25 m). The degradation behaviour of the reduced pile model was almost equivalent to that prototype, and the FEM analysis was corresponded to the test result. Soil-pile interaction, the strength evaluated by Broms’s equation almost corresponded to the maximum strength of the test result. In the FEM analysis, its behaviour corresponded to the test result with a small displacement range, but the maximum strength was underestimated.
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Acknowledgments
This work was partially supported by the Japan Society for Promotion of Science under Grant Numbers 19K04709.
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Takahashi, S., Nakamura, T., Hayashi, K., Saito, T. (2023). Static Loading Test of Soil-RC Pile System Using a Centrifuge Model. In: Casini, M. (eds) Proceedings of the 2nd International Civil Engineering and Architecture Conference. CEAC 2022. Lecture Notes in Civil Engineering, vol 279. Springer, Singapore. https://doi.org/10.1007/978-981-19-4293-8_30
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DOI: https://doi.org/10.1007/978-981-19-4293-8_30
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