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Settlement behavior of piled raft foundation supporting residential building adjacent to tall pile foundation building

  • Junji HamadaEmail author
  • Kiyoshi Yamashita
  • Kazutomi Nakane
Conference paper
Part of the Lecture Notes in Civil Engineering book series (LNCE, volume 62)

Abstract

This paper offers a case history of a piled raft foundation supporting a 10-story residential building, height of 30.1 m. The building is adjacent to an 18-story building supported by pile foundation. The strain acts on piles, contact earth pressure between raft and soil, water pressure beneath the raft and the settlements at 1st floor or B1 floor were measured. From the long-term field monitoring, the load sharing between raft and piles was evaluated in order to validate the foundation design. The measured settlements of the floors were less than 10 mm and the differential settlements between two buildings are small. The ratio of the load carried by piles to the structure load was 0.64. It is confirmed that a piled raft works effectively in soft ground.

Keywords

piled raft foundation pile foundation settlement differential settlement adjacent building 

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References

  1. Hamada, J., Yamashita, K., and Hirakawa, K. (2016): Case history of behavior of piled raft foundation supporting the tallest building in Japan constructed by top-down method, 19th Southeast Asian Geotechnical Conference & 2nd AGSSEA Conference (19SEAGC & 2AGSSEA).Google Scholar
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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  • Junji Hamada
    • 1
    Email author
  • Kiyoshi Yamashita
    • 1
  • Kazutomi Nakane
    • 2
  1. 1.Takenaka R&D, Takenaka CorporationChibaJapan
  2. 2.Tokyo main office, Takenaka CorporationTokyoJapan

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