Double-web prestress fiber reinforced composite material-concrete composite beam

The utility model relates to a double-web prestress fiber reinforced composite material-concrete composite beam which comprises a double-web fiber reinforced composite polymer (FRP) beam, concrete arranged inside the beam, and a prestress device, wherein the cross section of the FRP beam is in a double-web type, the FRP beam is composed of an upper flange, a lower flange, a left web, a right web and a horizontal partition board, the left web and the right web are arranged between the upper flange and the lower flange, the horizontal partition board is arranged in the left web and in the right web, the concrete is arranged in a space defined by the horizontal partition board, the upper flange and the lower flange, and the prestress device is arranged in the concrete. Compared with the prior art, the double-web prestress fiber reinforced composite material-concrete composite beam has the advantages that self-weight is low, materials are fully utilized, cost is reduced, and economic performance is improved.