TY JOUR TI CLAYEY SEDIMENTS AS ONE OF THE FUNDAMENTAL FACTORS OF FROST RESISTANCE HEAT-EFFECTIVE CERAMICS KW porosity KW porometry KW frost resistance KW water absorption KW structural characteristic KW kaolinite KW hydromica KW montmorillonite KW foamglass component JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Ivleva, I.A. AU Belikova, M.. PY 2016 IS 1 PB Belgorod State Technological University named after V.G. Shukhov