TY JOUR TI LSTK FRAME AND FOAM CONCRETE: IMPROVING THE QUALITY OF HOUSING CONSTRUCTION KW foam concrete KW technology KW LSTC KW thin-walled elements KW frame KW non-removable formwork JO Modern Technologies and Scientific and Technological Progress AU Savenkov, A.I. AU Bessonova, A.O. AU Prokopiev, V.A. AU Cherepanov, A.S. PY 2024 IS 2024 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»