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Numerical Simulation of Interaction between Coal Derrick and Foundation in Freeze - Thaw Process

With the increase of the depth of frozen sinking, mine permanent derrick was located into the the frozen wall scope. The internal force distribution law of the shaft – tower foundation was obtained by the field measurement of shaft – tower foundation pressures, reinforced internal force, concrete strain, foundation deformation, and other mechanical quantities. The numerical Simulation of interaction between coal derrick and foundation in freeze - thaw process showed that: Field measurement and numerical simulation of the same laws and values were in good agreement. It has very important theoretical and practical significance for the safe production of derrick and future derrick foundation design in freezing method construction.