| 摘要 |
FIELD: construction. ^ SUBSTANCE: assembly construction element in the form of beam, comprising shelf and two walls, differs by the fact that shelf has one wall at each of its two longitudinal sides, besides each wall is attached to one longitudinal side wall of shelf preferably with the help of adhesive substance, and by the fact that end zones of shelf inverted from shelf are flatly connected to each other by surfaces facing each other, preferably with the help of adhesive substance, besides walls in their cross sections have shape of "extended S". ^ EFFECT: development of efficient construction element in the form of beam. ^ 25 cl, 16 dwg |
