TY CONF TI PREDICTING CAVITIES AND DEFORMATION OF THAWING SOIL AROUND THE UNDERGROUND HORIZONTAL WORKINGS KW frozen rocks KW artificial thawing of rocks KW heat gain KW parabolic cavity in the soil massif JO Science and innovations 2021: development directions and priorities. Part 1 AU Kuzina, A.V. AU Krynkina, V.N. PY 2025 PB AUS PUBLISHERS