FIELD: construction.
SUBSTANCE: triangular grid of rod structures including upper compressed and lower stretched belts, braces and stands, is also equipped with additional knee braces. Each of these knee braces by one end is connected to the upper belt, and by the other end - to the stand. Besides, connection angles of the knee braces divide all panels of the upper belt and all stands of the grid into two parts.
EFFECT: reduced labour inputs and structural material consumption.
3 dwg, 2 tbl
