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Event Details

Vertical Hydraulic Barriers

  • 11 Nov 2010
  • 6:00 PM
  • Gaetano's Restaurant, 1617 Banksville Road, Pittsburgh PA 15216


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ASCE GeoInstitute Pittsburgh Chapter Presents

Vertical Hydraulic Barriers

Christopher Ryan, P.E., D. G.E.

Thursday, November 11, 2010

Gaetano's Restaurant
1617 Banksville Road
Pittsburgh PA 15216

Over the last 40 years, the variety of vertical barriers available to geotechnical engineer for the control of groundwater flow and to isolate chemical impacts in soil and groundwater has increased significantly. Some of the advancement has occurred with the development of better equipment, and some of the advancement has occurred through improved science, whether it is the development of polymer slurries, reactive barriers or a better understanding of the interaction of chemical contaminants with slurry materials used to construct the barriers.

Chris Ryan has made seminal contributions to the science and engineering of vertical barriers in soil and rock. He
is the president of Geo-Solutions, Inc., a New Kensington, Pennsylvania-based design-build ground improvement contractor specializing in the construction of vertical barriers worldwide. Geo-Solutions, Inc. is currently completing a slurry wall extending approximately 185 feet below ground surface – the deepest slurry wall ever built with continuous slope backfilling techniques. His firm has signed a five year contract to apply their design build vertical wall barrier and soil mixing expertise in China. Chris Ryan has received three degrees from the
Massachusetts Institute of Technology. He came to Pittsburgh to work with the construction subsidiary of
D’Appolonia Engineers. He founded the specialty construction firm, Geo-Con, in 1979, sold that firm to URS
Corporation and founded Geo-Solutions in 1996. Geo-Solutions has been consistently ranked in the Pittsburgh 100 list of fastest growing companies and made the Inc 500 list in 2009. Mr. Ryan was recognized by the Central PA Business Times as one of Central PA’s top 100 business leaders (listed first) in 2009.

Registration is $25 for Pittsburgh Section members, $35 for non-members, and free for students.  Please contact Ms. Stephanie Chechak at schechak@GFNET.com to RSVP by November 5, 2010.

Please see the flyer for additional details.
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