28
Geotechnical News • March 2013
www.geotechnicalnews.com
THE GROUT LINE
Paolo Gazzarrini
Overture
30
iest
edition of the Grout Line, and
for this issue I have a very interesting
article about the use of dyed grout in a
grouting job carried out in US, at Wolf
Creek Dam-Kentucky.
The article has been prepared by
Brook Brosi, P.G. and Clay Rathbun.
Mr. Brook Brosi P.G. is a geologist
with the Army Corps of Engineers
at the Wolf Creek Dam construction
office. He has over 11 years of experi-
ence with the Corps in 3 different
offices, including oversight on grout-
ing jobs at Mississinewa Dam (IN),
McAlpine Lock (KY), and Wolf Creek
Dam (KY). (Brook.E.Brosi@usace.
army.mil - US Army Corps of Engi-
neers, Nashville District, 100 Power
Plant Road, Jamestown, KY 42629).
Mr. Clay Rathbun is a Vice President
at the Judy Company Inc in Kansas
City, KS, where he has been working
as a Geologist for the past 25 years.
After spending 4 years in the Navy,
Clay received his bachelors degree
in science in geology at Kansas State
University. (crathbun@judycompany.
com- The Judy Company Inc, 8334
Ruby Ave, Kansas City, KS 66111)
It’s again time
to remind every-
one interested in
grouting that June
17-21, 2013 the
Colorado School
of Mine (Golder-
CO) will hold the
34th Annual Short
Course “Grouting
Fundamentals and
Current Practice”.
The Course can
be useful both for
Engineers and
Contractors inter-
ested in grouting
and in general for
rock/soil improve-
ment. For addi-
tional info here is
the web address:
Use of dyed cement grouts in foundation grouting
Brook E. Brosi and Clay Rathbun
Abstract:
At Wolf Creek Dam, the US Army
Corps of Engineers decided to use
dyed grouts to be able to differentiate
recent grouting efforts [2011-2012]
from historic efforts [1940s and 1968-
1975]. The contractor, The Judy Com-
pany, Inc., mixed dye with all of their
grout. The use of dyed grout was a
success. Dye is available to differenti-
ate grouts. Dye also has the possibility