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Lateral capacity of pile with grouted upper soil: field test and numerical simulation

  • Guangming Yu
  • Weiming Gong
  • Yuchen Liu
  • Guoliang Dai
  • Meihe Chen
Technical Paper
  • 312 Downloads
Part of the following topical collections:
  1. Topical Collection from GeoMEast 2017 – Sustainable Civil Infrastructures: Innovative Infrastructure Geotechnology

Abstract

Laterally loaded piles may entail large deformation under some circumstances such as ship impact, earthquake and long-term horizontal thrust of arch bridges, etc. The arch bridges are especially sensitive to horizontal displacement of foundation. Lateral load test was performed on a full-scale pile in virgin soil and pile with post-grouted soil around pile. Further numerical simulation analysis was carried out by PLAXIS3D based on field test result. The analytical and measured results are found to be in fairly satisfactory agreement. According to test results of single pile, lateral response of piles largely depends on profile of limiting force in shallow soil. Horizontal bearing capacity of bored piles is improved via grouting technique. For pile with post-grouted soil around, horizontal displacement of pile top is significantly reduced. The maximum bending moments of pile with grouting decrease dramatically. The grouted upper soil expands range of effective soil around pile, and more horizontal thrust was shared.

Keywords

Thrustful foundation Lateral displacement Upper soil grouted Load sharing 

Notes

Acknowledgements

The research work presented in this paper is supported by the National Basic Research Program of China (973 Program, Grant 2013CB036304) and the National Natural Science Foundation of China (NSFC) (Grant 51478109), for which the authors are grateful.

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  • Guangming Yu
    • 1
    • 2
  • Weiming Gong
    • 1
    • 2
  • Yuchen Liu
    • 1
    • 2
  • Guoliang Dai
    • 1
    • 2
  • Meihe Chen
    • 1
    • 2
  1. 1.School of Civil EngineeringSoutheast UniversityNanjingChina
  2. 2.Key of Laboratory for RC and PRC Structure of Education MinistrySoutheast UniversityNanjingChina

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