FIELD: fixing of heating bars at concrete placement. SUBSTANCE: the forms are erected; then the steel is embedded and the bars are placed, in which preliminarily ducts are made, which are located in mutually perpendicular planes and spaced apart relative to one another. Heating bars are passed in the ducts between the lower principal and upper reinforcements, and in the walls-between the bars located vertically one above another. EFFECT: facilitated procedure. 3 dwg
