TY JOUR TI AUTOMATION OF THE CALCULATION OF HEAT LOSS THROUGH HORIZONTAL EXTERNAL ENCLOSING STRUCTURES WITH THE BREAKDOWN OF THE FLOOR OF THE ROOM INTO ZONES KW building information model KW algorithm KW division of the floor surface into zones KW room heat loss JO Construction and Architecture AU Kitayceva, E.H. AU Razmanova, I.I. PY 2022 IS 10 PB Publishing Center RIOR