TY JOUR TI IMPROVING THE FOUNDATION'S MECHANICAL PERFORMANCE BY MEANS OF USING INJECTION PILES KW ground KW subsidence KW deformation KW injection pile KW load-bearing capacity JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Kalachuk, T.G. AU Prazina, E.A. PY 2017 IS 2 PB Belgorod State Technological University named after V.G. Shukhov