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The base resistance of non-displacement piles in sand. Part II: finite-element analyses

journal contribution
posted on 2023-05-19, 22:56 authored by Ali TolooiyanAli Tolooiyan, Gavin, K
A wide range of correlations have been proposed between cone penetration test end resistance, qc, and the ultimate end bearing pressure developed by bored piles. The qc value is typically related to the pile end bearing resistance at a normalised pile displacement equal to 10% of the pile diameter, qb0·1, through a correlation factor, α. While it is generally accepted that constant α factors can be applied for the design of displacement piles, a combination of field tests and finite-element analyses of bored piles in sand has resulted in a myriad of design approaches, some of which suggest that α varies with pile geometry, stress level and sand density. In this paper the results of finite-element analyses are presented which suggest that a constant α factor can be adopted for the design of deep foundations in sand.

History

Publication title

Proceedings of the Institution of Civil Engineers: Geotechnical Engineering

Volume

166

Issue

6

Pagination

549-560

ISSN

1353-2618

Department/School

School of Engineering

Publisher

Thomas Telford Services Ltd

Place of publication

Thomas Telford House, 1 Heron Quay, London, England, E14 4Jd

Rights statement

Copyright 2013 ICE Publishing

Repository Status

  • Restricted

Socio-economic Objectives

Expanding knowledge in engineering

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