TY JOUR TI INNOVATIVE PILE TECHNOLOGIES IN MODERN FOUNDATION CONSTRUCTION KW pile KW geopolymer technology KW bearing capacity KW soil KW transformation KW granulometric composition KW pockets KW cavities KW laboratory studies KW methodology JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Kocherzhenko, V.V. AU Suleymanova, L.A. PY 2022 IS 7 PB Belgorod State Technological University named after V.G. Shukhov