TY JOUR TI EFFECTIVE TECHNOLOGIES OF THE PRECAST-MONOLITHIC PANEL IN RESIDENTIAL HOUSING KW plastic-tube concrete KW tube concrete KW fixed formwork KW frame house constructing KW lightweight concrete JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Dolzhenko, A.V. AU Naumov, A.E. PY 2017 IS 2 PB Belgorod State Technological University named after V.G. Shukhov