The reliability of cementing of the annular space in rocks with negative temperatures is determined by the strength of adhesion of the cement stone with the rock ...
The regularities of the temperature regime of boreholes and mine workings, especially under conditions of changes in the phase state of the surrounding rocks, are described by extremely complex analytical expressions. The concepts of the coefficient of unsteady heat exchange kτ and the coefficient of heat exchange intensification during phase transition kagr significantly simplify the solution of this range of problems.
