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3D Numerical Analysis and Optimization of Piled-Raft Foundations

  • Gaurav Pandey
  • , Vishal Kumar Mourya
  • , Dhirendra Patel
  • , Rajesh Kumar
  • Indian Institute of Technology Banaras Hindu University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A comprehensive 3D numerical model for a pile-cum-raft foundation was developed in the present study. The model accounted for the intricate interactions between the piles, raft, and surrounding soil. The model was validated against existing results in the literature, ensuring its reliability. Various key parameters influencing settlement were systematically examined, including the geometric properties of the foundation—such as pile length, diameter, number of piles, and raft thick-ness—as well as critical soil characteristics like cohesion and internal friction angle. The soil continuum was represented using the Mohr–Coulomb failure criterion. For comparative purposes, a raft foundation was also modelled and analysed. The findings offer valuable insights for the cost-effective design of foundations, emphasizing the impact of different factors on settlement behaviour. These findings can aid in optimizing pile-cum-raft foundations for practical engineering applications.

Original languageEnglish
Title of host publicationFuturistic Trends in Structural Engineering - Select Proceedings of StructE NatCon 2024
EditorsAjay Chourasia, Madhuri Kumari, R. Siva Chidambaram, Shilpa Pal
PublisherSpringer Science and Business Media Deutschland GmbH
Pages437-451
Number of pages15
ISBN (Print)9789819697113
DOIs
StatePublished - 2026
Externally publishedYes
EventNational Conference on Futuristic Structural Engineering, StructE NatCon 2024 - New Delhi, India
Duration: 8 Nov 202410 Nov 2024

Publication series

NameLecture Notes in Civil Engineering
Volume716 LNCE
ISSN (Print)2366-2557
ISSN (Electronic)2366-2565

Conference

ConferenceNational Conference on Futuristic Structural Engineering, StructE NatCon 2024
Country/TerritoryIndia
CityNew Delhi
Period8/11/2410/11/24

Bibliographical note

Publisher Copyright:
© The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2026.

Keywords

  • Mohr–Coulomb model
  • Numerical modelling
  • Piled-raft foundation
  • Soil-foundation interaction

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