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List of products by author: J. Sopko
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A successful case of water cut-off by ground freezing in the excavation of the shaft DST-1
Abstract: The construction of the shaft DST-1, 14 m diameter, 65 m deep of the Dugway Storage Tunnel Project (Cleveland), was completed following significant obstacles in the shaft excavation process. After applying different soil treatments (dewatering, jet grouting, permeation grouting) ground freezing was selected as a technically appropriate alternative. Since steel liner plates and ribs were...
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Ground Freezing for Two Frozen Shafts at the Bergen Point Outfall Tunnel
Abstract: 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...
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