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Foam used during EPB tunnelling in saturated sand, parameters determining foam consumption

Adam Bezuijen UGent (2012) World Tunnel Congress 2012, Proceedings. p.267-269
abstract
The amount of foam injected during drilling with an EPB-shield in saturated sand is quite often based on experience and/or empiric relations. A method is presented in to calculate the amount of foam needed to create a muck with limited or no grain stress. The results show that, as expected, the volume of the foam to be injected is much larger in dry soil compared to saturated soil. In saturated soil the amount of foam to be injected depends on various parameters. The permeability of the soil in front of the EPB-shield appears very important. This paper describes the dependencies and shows that recommended foam injection ratio’s from literature may be too small when used in permeable sandy soil. The FIR of the foam in a mixture may be much smaller than of the original foam.
Please use this url to cite or link to this publication:
author
organization
year
type
conference
publication status
published
subject
keyword
EPB Tunnelling, saturated sand., foam
in
World Tunnel Congress 2012, Proceedings
editor
N Phienwej and T Boonyatee
pages
267 - 269
publisher
Ghent University, Department of Civil engineering
place of publication
Ghent, Belgium
conference name
World Tunnel Congress 2012 (WTC - 2012)
conference location
Bangkok, Thailand
conference start
2012-05-21
conference end
2012-05-23
ISBN
9789747197785
language
English
UGent publication?
yes
classification
C1
copyright statement
I have transferred the copyright for this publication to the publisher
id
2122238
handle
http://hdl.handle.net/1854/LU-2122238
date created
2012-05-30 15:03:52
date last changed
2012-06-07 12:56:31
@inproceedings{2122238,
  abstract     = {The amount of foam injected during drilling with an EPB-shield in saturated sand is quite often based on experience and/or empiric relations. A method is presented in to calculate the amount of foam needed to create a muck with limited or no grain stress. The results show that, as expected, the volume of the foam to be injected is much larger in dry soil compared to saturated soil. In saturated soil the amount of foam to be injected depends on various parameters. The permeability of the soil in front of the EPB-shield appears very important. This paper describes the dependencies and shows that recommended foam injection ratio{\textquoteright}s from literature may be too small when used in permeable sandy soil. The FIR of the foam in a mixture may be much smaller than of the original foam.},
  author       = {Bezuijen, Adam},
  booktitle    = {World Tunnel Congress 2012, Proceedings},
  editor       = {Phienwej, N and Boonyatee, T},
  isbn         = {9789747197785},
  keyword      = {EPB Tunnelling,saturated sand.,foam},
  language     = {eng},
  location     = {Bangkok, Thailand},
  pages        = {267--269},
  publisher    = {Ghent University, Department of Civil engineering},
  title        = {Foam used during EPB tunnelling in saturated sand, parameters determining foam consumption},
  year         = {2012},
}

Chicago
Bezuijen, Adam. 2012. “Foam Used During EPB Tunnelling in Saturated Sand, Parameters Determining Foam Consumption.” In World Tunnel Congress 2012, Proceedings, ed. N Phienwej and T Boonyatee, 267–269. Ghent, Belgium: Ghent University, Department of Civil engineering.
APA
Bezuijen, A. (2012). Foam used during EPB tunnelling in saturated sand, parameters determining foam consumption. In N. Phienwej & T. Boonyatee (Eds.), World Tunnel Congress 2012, Proceedings (pp. 267–269). Presented at the World Tunnel Congress 2012 (WTC - 2012), Ghent, Belgium: Ghent University, Department of Civil engineering.
Vancouver
1.
Bezuijen A. Foam used during EPB tunnelling in saturated sand, parameters determining foam consumption. In: Phienwej N, Boonyatee T, editors. World Tunnel Congress 2012, Proceedings. Ghent, Belgium: Ghent University, Department of Civil engineering; 2012. p. 267–9.
MLA
Bezuijen, Adam. “Foam Used During EPB Tunnelling in Saturated Sand, Parameters Determining Foam Consumption.” World Tunnel Congress 2012, Proceedings. Ed. N Phienwej & T Boonyatee. Ghent, Belgium: Ghent University, Department of Civil engineering, 2012. 267–269. Print.