High strength steel structural support

The utility model discloses a high strength steel structural support, it includes the steel construction body, its characterized in that: the steel construction body includes pterygoid lamina, lower pterygoid lamina and web, upper and lower pterygoid lamina is parallel to each other, the web with upper and lower pterygoid lamina vertical fixation, still include the gusset, the gusset with the webparallel just the gusset both ends are fixed on upper and lower pterygoid lamina, be equipped with at least one expansion joint on the gusset. Compared with the prior art, the utility model has the advantages of mechanics load -carrying properties is strong, long service life. 本实用新型公开了种高强度钢结构支架，其包括钢结构本体，其特征在于：所述钢结构本体包括上翼板、下翼板和腹板，所述上、下翼板相互平行，所述腹板与所述上、下翼板垂直固定；还包括筋板，所述筋板与所述腹板平行且所述筋板两端固定在上、下翼板上，所述筋板上设有至少个膨胀节。与现有技术相比，本实用新型具有力学承载性能强、使用寿命长等优点。