Advertisement

A study on the behavior of pile supported footings on sand

  • V. BalakumarEmail author
  • Min Huang
  • Erwin Oh
  • A. S. Balasubramaniam
Conference paper
Part of the Lecture Notes in Civil Engineering book series (LNCE, volume 62)

Abstract

When the bearing capacity is not adequate to provide isolated footings, columns are grouped and supported combined footing. However, if the settlement increases beyond the permissible limits, piles are provided below the combined footing, applying the concept of piled raft. In this case the piles function as settlement reducers. Such systems can be categorized as a particular case of the combined piled raft system. In the present study a typical case of a piled raft with relatively smaller width, supported on two rows of piles on the edges was studied with small scale 1g model tests for understanding the basic behavior and a numerical study to obtain the details of raft settlement and the shaft stress distribution along the pile length.

Keywords

model test settlement plane strain piled raft 

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. Balakumar, V. (2008). Experimental Studies of Model Piled Raft on Sand and Field Study of Prototype Behavior. PhD Thesis, Anna University, Chennai.Google Scholar
  2. Balakumar, V., Min Huang Erwin Oh, Mark Bolton & A.S.Balasubramaniam. (2013). Parametric Study on the Interaction Factor of Piled Raft. The 18th South East Asian Geotechnical And Inaugural AGSSEA Conference 2013, Singapore.Google Scholar
  3. Bolton, M.D. & Lau, C.K. (1989). Scale effects in the bearing capacity of granular soils. Pro. of the 12th Int. Conference on Soil Mechanics and Foundation Engineering, pp.895-898, AA Balkema.Google Scholar
  4. Butterfield R. & Banerjee, P.K. (1971). The Problem of Pile Group – Pile Cap Interaction. Geotechnique, Vol. 21, No. 2, pp. 135 – 142.Google Scholar
  5. Burland, J.B. (1995). Piles as Settlement Reducer. 18th Italian Congress on Soil Mech, Pavia.Google Scholar
  6. Elwakil, A.Z. & Azzam, W.R. (2016). Experimental and numerical study of piled raft system. Alexandria Engineering Journal, 55(1), pp.547-560.Google Scholar
  7. Hongladaromp, T., Nan-Jim CHEN, B.S. & Lee, Seng-Lip. (1973). Load Distribution in Rectangular Footings on Piles. Geotechnical Engineering, vol 4 pp.77-90.Google Scholar
  8. Katzenbach, R., Arslan, V. & Moorman, ch. (2000). Numerical Stimulations of Combined Piled Raft Foundations for the New High Rise Building. Max in Frankfurt am main. Proc. 2nd Int. Conf. on Soil Structure Interaction in Urban Civil Engineering.Google Scholar
  9. Nguyen, D.D.C., Jo, S.B. & Kim, D.S. (2013). Design method of piled-raft foundations under vertical load considering interaction effects. Computers and Geotechnics, 47, pp.16-27.Google Scholar
  10. Oh, W.T. & Vanapalli, S.K. (2013). Scale effect of plate load tests in unsaturated soils. Int. J. of GEOMATE, 4(2), pp.585-594.Google Scholar
  11. Phung, D. L. (1993). Footings with settlement reducing piles in non-cohesive soils. Ph.D Thesis, Chalmers Uni. Of Tech, Gothenburg, Sweden.Google Scholar
  12. Phung, D. L. (2016). Settlement analysis for piled raft foundations. The 15th Asian Regional conference, 2016, Kiushu, Japan.Google Scholar
  13. Potts, D. M. and Zdravkovic, L. (2001). Finite element analysis in geotechnical engineering. Application, Thomas Telford, London.Google Scholar
  14. Poulos. H.G. (1991). Analyses of Piled Strip foundation, Computer Methods and advances in Geomechanics, Beer, Bucker and Carter (eds), Balkema, pp.183-191.Google Scholar
  15. Poulos, H. G. (2001). Piled raft foundations: Design and applications. Geotechnique, 512, 95–113.CrossRefGoogle Scholar
  16. Poulos H.G. (2008). The Piled Raft Foundation for the Burj Dubai, Design & Performance. IGS – Ferroco Terzaghi, Oration, 2008.Google Scholar
  17. Randolph, M. F. (1994). Design methods for pile groups and piled rafts. State of the Art Rep., Proc., 13th ICSMFE, Vol. 5, 61–82.Google Scholar
  18. Reul, O. & Randolph M.F. (2002). Study on the Influence of Finite Element Mesh Refinement on the Calculated Behavior of Piled Raft. Proc. of 8th Int. Symp. Numer. Models. Geomech Rome, pp.259-264.Google Scholar
  19. Weisner, T.J. & Brown, P.T. (1975). The Behaviour of uniformly Loaded Piled Strip Footings. Soils and Foundations, vol 15, No. 4, Dec 1975.Google Scholar
  20. Yamashita, K., Hamada, J. & Yamada, T. (2010). Field Measurements on Piled Rafts with Grid, Form Deep Mixing Walls on Soft Ground. Geotechnical Engg., SEAGS, Vol. 42, No. 2, June 2011.Google Scholar

Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  • V. Balakumar
    • 1
    Email author
  • Min Huang
    • 2
  • Erwin Oh
    • 3
  • A. S. Balasubramaniam
    • 3
  1. 1.Simplex Infrastructures LimitedChennaiIndia
  2. 2.Arup GeotechnicsBrisbaneAustralia
  3. 3.Griffith School of Engineering, Griffith UniversityGold CoastAustralia

Personalised recommendations