ABSTRACT
Modern development of artificial ground freezing technique is directly related to the depth of soil freezing. This issue is in turn linked to the problem of economic efficiency and guaranteed closure of individual ice bodies into a single wall as soon as possible. One of the possible solutions to this problem is the development of the system including numerical simulation and experimental module. The experimental section of the work is devoted to the description of the original fiber optic system developed by the Mining institute UB RAS. This system is located in several measuring boreholes of the Starobinsk deposit. The system can be used for storage of freezing well parameters, geological and thermophysical properties of rocks and for processing of the experimental data. Temperature monitoring data are used for the verification of numerical simulation results. In the theoretical part of the work, the mathematical model of the freezing process in porous media is discussed. This model is used for the three-dimensional numerical simulation of artificial ground freezing process in the Starobinsk potassium salt deposit taking into account real geometry of the freezing columns and available geophysical and physical data. The simulation results are in a good agreement with data of temperature measurements.
