TY JOUR TI THE USE OF ADDITIVE TECHNOLOGIES IN THE CONSTRUCTION OF BUILDINGS KW technology of construction KW 3D technology KW efficiency KW 3D printing JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Aleksanin, A.V. AU Markevich, A.I. PY 2017 IS 2 PB Belgorod State Technological University named after V.G. Shukhov