Patent ID: 7886873

Claim:
A board-shaped element of construction made of plastic for facade scaffolding comprising a substantially rectangular base plate having a length suitable for use as a weight-bearing board for a scaffolding in building construction, the base plate having at least one substantially planar transverse region extending between both longer sides of the base plate, an external flange extending downwardly from the outermost edge of each of both longer sides of the base plate and on the underside of the base plate at least one transverse rib extends downwardly directly beneath a substantially planar transverse region of the base plate, the transverse rib being connected to the underside of the base plate and to respectively abutting regions of the external flanges, wherein the external flanges serve as tension chords of the element when the element is used as a weight-bearing board for facade scaffolding, the height of the external flanges is greater than the height of the transverse rib, and the transverse rib has a trapezoidal cross section narrowing in the downward direction; and wherein individual regions of the plastic element of construction subject to tension loading on the underside of the at least one transverse rib and the lower region of the external flanges are locally reinforced with tensile loading reinforcement elements; wherein the external flanges extend downwardly and outwardly from the longer sides of the base plate at an angle between 60° and 80° from the plane of the base plate, and their corner regions are rounded; wherein as said reinforcement elements the external flanges in lower regions thereof have at least one of inserts and reinforcements made of a material selected from the group consisting of carbon-fiber-reinforced plastic and strips of carbon-fiber-reinforced plastic, and further comprising connecting elements extending in the longitudinal direction of the base plate and arranged on the shorter sides of the base plate; wherein the connecting elements comprise substantially a downwardly open profiled member of semicircular cross section, fashioned over the entire width of the base plate and connected to the external flanges.