FIELD: construction engineering; erection and manufacture of walls provided with construction panels. SUBSTANCE: lengthened supporting member whose cross section is formed by wall and two side ledges is used to support construction panels and the like. Wall has lengthened stress-equalizing area which stretches entirely or partially between two outer ends of supporting member thereby strengthening supporting member; mentioned area includes strain rows such as cracks, cuts, notches passing entirely or partially through material thickness. EFFECT: reduced tendency to bending; enhanced strength and stiffness. 12 cl, 4 dwg
