Method for producing a contiguous ice body in a ground-freezing process
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United States of America Patent
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Jul 18, 2017
Grant Date -
Sep 15, 2016
app pub date -
Oct 16, 2014
filing date -
Oct 30, 2013
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Abstract
The invention relates to a method for producing a contiguous ice body in a ground region, wherein first cooling lances are inserted into the ground region in which the contiguous ice body is to be produced in the presence of a flow of a fluid flow medium flowing through the ground region, in particular in the form of groundwater, wherein a first coolant is introduced into the first cooling lances, and wherein furthermore at least one second cooling lance is introduced into the ground region on a side of the first cooling lances facing the flow and a second coolant, which has a temperature that is lower than the temperature of the first coolant, is introduced into the at least one second cooling lance in order to support the formation of a contiguous ice body that surrounds all of the cooling lances.
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