Profile steel buttress for super-thick raft board construction and raft board with profile steel buttresses

The utility model discloses a profile steel buttress for super-thick raft board construction and a raft board with profile steel buttresses, and belongs to the field of building construction. The profile steel buttress is formed by beams, stand columns, supporting steel plates and connecting steel bars, wherein the beams and the stand columns are made of profile steel, one or two rectangular frames are defined by the beams, the stand columns are arranged on the lower portions of the connecting points of the beams, the supporting steel plates are arranged between the stand columns and the beams and at the bottoms of the stand columns, and the connecting steel bars are arranged between the adjacent stand columns. The raft board comprises the multiple sets of profile steel buttresses which are evenly arranged, bidirectional steel bar nets and connecting steel bars, wherein the bidirectional steel bar nets are arranged on the tops and at the bottoms of the profile steel buttresses respectively, and the adjacent profile steel buttresses are connected through the connecting steel bars. The rigidity and the stability of the profile steel buttress for super-thick raft board construction and the raft board with the profile steel buttresses meet the requirement more easily, cost is lower, and the construction efficiency is higher.