TY JOUR TI FEATURES OF DESIGNING THE COMPOSITION OF FOAM CONCRETE KW foam concrete KW foam expansion ration KW foaming agent KW compressive strength JO Modern Technologies and Scientific and Technological Progress AU Vinokurova, O.V. AU Baranova, A.A. PY 2022 IS 2022 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»