Study on Ultimate Bearing Capacity of New Spiral Steel Pipe Pile

DOI

10.2991/978-94-6463-312-2_23How to use a DOI?

Keywords

New spiral steel pipe pile; Ultimate bearing capacity; Field test; Numerical simulation analysis; Pile type parameter

Abstract

The traditional vane spiral steel pipe pile falls short of meeting the required bearing capacity, necessitating an enhancement in the geometric structure. As such, this paper proposed a novel spiral steel pipe pile with a variable vane diameter is proposed, for which a comprehensive field test was conducted, comprising six groups of compression tests and six groups of uplift tests, each consisting of one compressive pile and two uplift piles. These tests aim to investigate the impact of blade spacing and blade diameter on the bearing capacity. To validate the precision and accuracy of the model, we utilized numerical simulation software for modeling and compared the results with the measured data. In conjunction with the findings from the field test and numerical simulation, the enhancement effect on the ultimate bearing capacity of the improved new steel pipe spiral pile was analyzed. The study reveals that variations in pile type parameters significantly impact the bearing capacity, with the gradual change of blade diameter showing a positive correlation with the ultimate bearing capacity of the spiral steel pipe pile. Additionally, blade spacing plays a crucial role in determining the bearing mode of the spiral steel pipe pile, making changes in blade spacing equally influential on its ultimate bearing capacity. Notably, when considering the equal amount of steel consumption, the new spiral steel pipe pile demonstrates significant improvements in comparison to the traditional counterpart. Specifically, it showcases a substantial increase of approximately 28% in compression bearing capacity and a remarkable uplift bearing capacity boost of about 13%. These investigations substantiated the feasibility of using ABAQUS numerical simulation software to analyze the bearing capacity of the new spiral steel pipe pile and the reliability of its application in foundations with uneven bearing capacity in rural housing construction. As a consequence, these findings provide a valuable theoretical basis for implementing the new spiral steel pipe pile in rural housing construction projects.

Copyright

© 2023 The Author(s)

Open Access

Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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TY  - CONF
AU  - Hui Zhang
AU  - Yanpeng Zhu
AU  - Jiahui Zhu
AU  - Anping Huang
AU  - Linping Wu
AU  - Jinxin Fan
PY  - 2023
DA  - 2023/12/07
TI  - Study on Ultimate Bearing Capacity of New Spiral Steel Pipe Pile
BT  - Proceedings of the 2023 5th International Conference on Structural Seismic and Civil Engineering Research (ICSSCER 2023)
PB  - Atlantis Press
SP  - 213
EP  - 233
SN  - 2589-4943
UR  - https://doi.org/10.2991/978-94-6463-312-2_23
DO  - 10.2991/978-94-6463-312-2_23
ID  - Zhang2023
ER  -