Construction of a 9700m, 180cm diameter effluent pipeline required tunnelling from an existing sewage treatment plant to a barrier island outfall structure. Construction of the tunnel required a launching shaft at the plant and a receiving shaft at the barrier island. Artificial ground freezing was specified as the method to provide temporary earth support and groundwater control at the launching shaft and selected by the contractor for the receiving shaft.
Read MoreStatement of Qualifications
Ground Freezing on a Large Scale and its Historical Importance in Deep Mine Development
This article reviews past mine projects throughout the world where ground freezing was essential for successful shaft sinking and surface drift construction.
Read MoreJoseph Sopko, Ph.D., P.E.
Director of Ground Freezing, Keller North America
(920) 889-0190
David K. Mueller
Vice President
Keller North America
Gregory Ziegler, P.E.
Executive Vice President
Keller North America
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