Double-corrugated web steel-concrete composite beam and manufacturing method thereof

The invention discloses a double-corrugated web steel-concrete composite beam and a manufacturing method thereof.The composite beam comprises double-corrugated web steel, concrete is poured in the double-corrugated web steel, a plurality of shear-resistant connecting keys are arranged at the upper end of the double-corrugated web steel, and the double-corrugated web steel is in an I shape and comprises a rectangular upper flange pipe and a rectangular lower flange pipe; two corrugated plates are arranged between the upper flange pipe and the lower flange pipe, and a plurality of grouting holes are formed in the upper end and the lower end of the upper flange pipe and the upper end of the lower flange pipe. The composite beam is light in self weight, high in material utilization rate and convenient to machine and manufacture, and has good application and popularization prospects. 本发明公开了一种双波形腹板钢-混凝土组合梁及其制作方法,该组合梁包括双波形腹板钢，所述双波形腹板钢的内部浇筑有混凝土，上端设置有若干抗剪连接键，所述双波形腹板钢呈工字型，包括矩形的上翼缘管和下翼缘管，上翼缘管和下翼缘管之间设置有两块波形板，所述上翼缘管的上下端及下