36
Geotechnical News •March 2015
GEOTECHNICAL INSTRUMENTATION NEWS
Summary and conclusion
An accurate picture of the seasonal
hydrogeologic interactions between
stream sediments, stream water
surface, and bank groundwater
was developed using fully-grouted
piezometers in conjunction with
conventional on-shore standpipe
piezometers and stilling wells. The
fully-grouted piezometers provided
valuable, reliable data at relatively low
cost and installation time compared
to traditional piezometer installation
methods. The ability to do on-shore
data acquisition of continuous read-
ings allowed for inexpensive monitor-
ing. Upward vertical gradients ranging
from 0.05 to 0.6 were measured within
the stream bottom, with one excep-
tion as discussed above. Site specific
solutions were developed to address
the specific challenges of installing the
piezometers in a flowing stream with
continuous readings obtained in all
weather and stream conditions.
References
Contreras, I.A., Grosser, A.T., Ver
Strate, R.H., 2008, “The use of the
fully-grouted method for piezom-
eter installation”. Geotechnical
News, Volume 26, No. 2, June.
Contreras, I.A., Grosser, A.T., Ver-
Strate, R.H., 2012, “Update of the
fully-grouted method for piezom-
eter installation”. Geotechnical
News, Volume 30, No. 2, June.
Durham Geo Slope Indicator (DGSI),
2009. “Grout Mixes for Piezom-
eters”.
.
com/support/piezometers/technote-
groutmix-piezometers.php
McKenna, G.T., 1995, “Grouted-in
installation of piezometers in bore-
holes”. Canadian Geotechnical
Journal, Volume 32, pp.355-363.
Raymond D’Hollander, Paul Roth,
Shane Blauvelt, James O’Loughlin
Parsons, 301 Plainfield Road,
Suite 350, Syracuse, NY. E-mails:
;
;
canada
MANUEL
CANADIEN
D’INGÉNIERIE
DES FONDATIONS
4e ÉDITION
SOCIÉTÉCANADIENNEDEGÉOTECHNIQUE 2013
Le MCIF est désormais disponible
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actuel de la pratique et fournir des
renvois cohérents et à jour au Code na-
tional du bâtiment du Canada (CNBC
2005) et au Code canadien sur le calcul
des ponts routiers (à CCCPR 2000
et 2005), une équipe de 17 experts a
préparé le MCIF 2013.
Manuel
canadien
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Available from/Disponible chez
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The CFEM (2006) was prepared by a
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4th EDITION
CANADIANGEOTECHNICALSOCIETY 2006
CANADIAN
FOUNDATION
ENGINEERING
MANUAL
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Manual
4tH edition, 2006
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