Undrained stability of surface strip footings above voids

Joon Kyu Lee, Sangseom Jeong, Junyoung Ko

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

This paper investigates the undrained vertical bearing capacity of surface strip footings on clay with single and dual continuous voids. Numerical solutions for a wide range of geometric and material combinations are obtained by small strain finite element analysis. Based on the results, design charts are provided for the calculation of the undrained bearing capacity factors as a function of the dimensionless parameters related to the vertical and horizontal void distances from the footing, void width and height, and spacing between the two voids as well as soil rigidity and non-homogeneity. In the footing-above-void system, the ultimate bearing capacity of the footing is governed by the three failure mode: roof, wall, and combined failure mechanisms.

Original languageEnglish
Pages (from-to)128-135
Number of pages8
JournalComputers and Geotechnics
Volume62
DOIs
Publication statusPublished - 2014 Oct

Fingerprint

footing
Bearing capacity
void
bearing capacity
Rigidity
Roofs
Failure modes
Clay
Soils
Finite element method
failure mechanism
rigidity
roof
spacing
clay
soil

All Science Journal Classification (ASJC) codes

  • Geotechnical Engineering and Engineering Geology
  • Computer Science Applications

Cite this

Lee, Joon Kyu ; Jeong, Sangseom ; Ko, Junyoung. / Undrained stability of surface strip footings above voids. In: Computers and Geotechnics. 2014 ; Vol. 62. pp. 128-135.
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Undrained stability of surface strip footings above voids. / Lee, Joon Kyu; Jeong, Sangseom; Ko, Junyoung.

In: Computers and Geotechnics, Vol. 62, 10.2014, p. 128-135.

Research output: Contribution to journalArticle

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