TY JOUR TI ON COLLOPSIBLE LOESS DEFORMATION TYPES OF SOILS KW drawdown KW deformation KW lessovyj ground KW pressure stamp JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Kalachuk, T.G. AU Shin, E.. PY 2016 IS 1 PB Belgorod State Technological University named after V.G. Shukhov