3502 Overlook Circle, Knoxville, Tennessee 37909 USA
Phone 865-584-0344 - Fax 865-584-0778
An employee-owned corporation
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Copyright© Geo/Environmental Associates, Inc. 1995 through 2013
Welcome to the online home of Geo/Environmental Associates, Inc. (GA). GA provides geotechnical, environmental, and civil engineering, geology, CADD, and soil testing services to industrial and mining clients.
The staff of GA specialize in the design of dams, waste disposal impoundments, landslide repairs, retaining structures, ground improvements, environmental assessments, environmental remediation, and foundation design.
Reclaimed surface mine land
Sand Hollow Lake and Campground
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GA President Barry Thacker, PE
receives Award of Excellence
from Engineering News Record
“Engineering
Better Readers”
presentation by Barry Thacker, P.E.
at the joint Tennessee
ASCE/TSPE/ACEC
annual meeting
September 2012
"Inside Tennessee" Program
OPINION EDITORIAL
Knoxville News Sentinel
Barry Thacker, PE
10 March 2012
Re-mining old sites
helps restore land
Geo/Environmental
Associates
sponsors the
Engineering Better Readers
Program at Briceville School
View video of ABC-TV WATE's
news story about the
Engineering Better Readers Program
Coal
Refuse Disposal Facility Seminar
16 April 2010
Embassy Suites Charleston
Charleston, WV
Control of seepage through
hydraulic fill structures:
Should it be cut off or drained?
Presentation by Barry Thacker,
P.E.
at University of Louisville
Louisville, Kentucky
19 April 2011
Geo/Environmental Associates' Barry Thacker, PE,
President and CEO receives
2009 Professional Practice Ethics and Leadership Award
issued jointly by the
American Society
of Civil Engineers and
ASFE, an international,
not-for-profit association of geoprofessional firms.
Kingston Ash Facility Failure
TVA Forensic Team’s Undrained
“Static Liquefaction/Slimes” Theory
vs.
“It’s the Water, Stupid” Theory
by
Barry Thacker, P.E.
(WORKING
DRAFT ONLY)
CLICK TO VIEW WHITE PAPER
by Barry Thacker, P.E.
26 June 2009
CLICK FOR PDF OF PRESENTATION
30 June 2009
CLICK TO
VIEW
STANDARD OF CARE OPINION
by Dr. D. J. Hagerty, P.E.
Kentucky Professional Engineers in Mining Seminar
Click
for PDF of presentation made on 21 August 2009
at the KSPE/PEM Seminar in Lexington, Kentucky
Technical Society of Knoxville (TSK).
Click for PDF of presentation made on
14 September 2009 at the TSK meeting. Also, presented
on 23 September 2009 at Kentucky Geotechnical Engineering
Group of ASCE meeting in Louisville, KY and on 10 November 2009 at Knoxville
Branch of ASCE meeting.
APPLY FOR OPEN POSITIONS
22 February 2009
property would be a mistake
VOLUNTEER EFFORTS
GA personnel support the Coal Creek Watershed Foundation, Inc. (CCWF).
CCWF was organized to obtain federal grant money from the Office of Surface
Mining (OSM) to reclaim abandoned mined lands and improve the quality of
life in the Coal Creek watershed in Anderson County, Tennessee. The
effort has grown to include much more. Visit
www.coalcreekaml.com for more details.
Coal
Creek Scholars
Program featured in
Geo-Strata Magazine May-June 2011
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Aerial view of the
Meigs Slurry Impoundment
Click on image for project description
Building
columns and soilnail -- shotcrete excavation support prior to
stabilization.
Click on image for description
Remediation of underground
EPA Superfund site
Click on image for description
Published Technical Papers
on
Modified Upstream Construction (MUSC)
and Simplified Seismic Stability
Assessment Methods
(ADOBE PDF FORMAT):
LIQUEFACTION MITIGATION PROCEDURES
FOR COAL REFUSE DAMS BUILT BY
THE MODIFIED UPSTREAM METHOD
Geo/Environmental Associates, Inc. is a member of Kentucky
Coal Association,
Virginia Coal Association, American Society of Civil
Engineers,
and ASFE among other groups.
Geo/Environmental Associates participates in the Green Power Switch the Tennessee Valley’s new green power initiative, which uses sunlight, wind, and landfill gas to produce electric power. At TVA's current rate of construction, Green Power Switch will replace coal in about 200 years when our nation's coal supplies are depleted.