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Statement of qualifications
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Statement of qualifications front page of SOQ Other Keller’s ground freezing experts have been involved in several hundred frozen ground projects. Download
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Curriculum Vitae | Joseph Sopko, Ph.D., P.E.
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Curriculum Vitae | Joseph Sopko, Ph.D., P.E. Other Curriculum Vitae for Joseph Sopko Download
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Artificial ground freezing: State of the practice
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Artificial ground freezing: State of the practice Artificial ground freezing paper Technical paper This keynote paper is a tribute to those devoted to the practice of ground freezing. Authored by…
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Site investigation for shaft sinking projects requiring artificial ground freezing
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Site investigation for shaft sinking projects requiring artificial ground freezing Tech paper figure Technical paper Info required for the successful design and construction of shafts. Download
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Artificial ground freezing on a large scale
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Artificial ground freezing on a large scale Large shaft Technical paper Past mine projects using an innovative ground freezing approach. Download
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Artificial ground freezing vs grouting
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Artificial ground freezing vs grouting Artificial ground freezing vs grouting Technical paper Identifies factors which make AGF more cost-effective vs grouting. Download
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Ground freezing for two frozen shafts at the Bergen Point Outfall Tunnel
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Ground freezing for two frozen shafts at the Bergen Point Outfall Tunnel Bergen Point Outfall tunnel Technical paper Ground freezing provided earth support and groundwater control. Download
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Ground freezing on a large scale and its historical importance in deep mine development
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Ground freezing on a large scale and its historical importance in deep mine development Ground freezing on a large scale and its historical importance in deep mine development Technical paper Past…
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Design of ground freezing for cross passages and tunnel adits
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Design of ground freezing for cross passages and tunnel adits Design of ground freezing for cross passages and tunnel adits Technical paper Design procedures related to frost action. Download
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Factor of safety in ground freezing design
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Factor of safety in ground freezing design Factor of safety in ground freezing design Technical paper Procedure and reports on key recent projects. Download
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New design method for frozen earth shaft support
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New design method for frozen earth shaft support New design method for frozen earth shaft support Technical paper 3d models have made traditional methods relatively obsolete. Download
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The use of liquid nitrogen systems converted to brine
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The use of liquid nitrogen systems converted to brine The use of liquid nitrogen systems converted to brine Technical paper Discussion of problems related to this method. Download
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Design of frozen earth structure for cross passages excavation
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Design of frozen earth structure for cross passages excavation Design of frozen earth structure for cross passages excavation Technical paper Ground freezing advantages over other ground improvement…
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Ground freezing for tunnel shafts and adits
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Ground freezing for tunnel shafts and adits Ground freezing for tunnel shafts and adits Technical paper Earth support and groundwater control for DC Water's Clean River project. Download
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A successful case of water cut-off by ground freezing
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A successful case of water cut-off by ground freezing A successful case of water cut-off by ground freezing Technical paper Field and lab testing and engineering analysis required for freezing.…
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Grouting for freezing
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Grouting for freezing Grouting for freezing Technical paper Field procedures used to locate unfrozen zones and more. Download
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Forensics by freezing
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Forensics by freezing Forensics by freezing Technical paper Case histories where ground freezing was used as a remedial technique. Download
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Coupled heat transfer and groundwater flow models for ground freezing
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Coupled heat transfer and groundwater flow models for ground freezing Coupled heat transfer and groundwater flow models for ground freezing Technical paper Discusses application of models and…
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Ground freezing for tunnel cross passages
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Ground freezing for tunnel cross passages Ground freezing for tunnel cross passages Technical paper Freezing between two tunnels allows mining through water-tight ground. Download
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TBM repair using liquid nitrogen
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TBM repair using liquid nitrogen TBM repair using liquid nitrogen Technical paper Tunnel mining operations under The Fraser River in Vancouver. Download
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