Proposed nonlinear 3-D analytical method for piled raft foundations

Sangseom Jeong, Jaeyeon Cho

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

The load distribution and deformation of piled raft foundations subjected to axial and lateral loads were investigated by a numerical analysis and field case studies. Special attention is given to the improved analytical method (YSPR) proposed by considering raft flexibility and soil nonlinearity. A load transfer approach using p- y, t- z and q- z curves is used for the analysis of piles. An analytical method of the soil-structure interaction is developed by taking into account the soil spring coupling effects based on the Filonenko-Borodich model. The proposed method has been verified by comparing the results with other numerical methods and field case studies on piled raft. Through comparative studies, it is found that the proposed method in the present study is in good agreement with general trend observed by field measurements and, thus, represents a significant improvement in the prediction of piled raft load sharing and settlement behavior.

Original languageEnglish
Pages (from-to)112-126
Number of pages15
JournalComputers and Geotechnics
Volume59
DOIs
Publication statusPublished - 2014 Jun

All Science Journal Classification (ASJC) codes

  • Geotechnical Engineering and Engineering Geology
  • Computer Science Applications

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