Ground Freezing for Tunnel Support
No. 7 Line Subway Extension
New York City
Joseph A. Sopko, Ph.D., P.E.
Michele R. Norman
the definitive ground freezing resource
the definitive ground freezing resource
Joseph A. Sopko, Ph.D., P.E.
Director of Ground Freezing, Keller North America, Inc.
cell: (920) 889-0190
groundfreezing: Presentations
Ground Freezing for Tunnel Support
No. 7 Line Subway Extension
New York City
Joseph A. Sopko, Ph.D., P.E.
Michele R. Norman
Article by ground-freezing / Presentations / groundfreezing, presentation, tunnel support
