Retard-bonded prestressed steel strand

The utility model relates to the technical field of steel strands, and provides a retard-bonded prestressed steel strand, which comprises a steel strand body and an anti-corrosion mechanism, the outer surface of the steel strand body is wrapped with a rubber layer, the anti-corrosion mechanism comprises an arc-shaped clamping plate and a waterproof layer, the arc-shaped clamping plate is fixedly arranged on the outer surface of the rubber layer, and the waterproof layer is arranged on the outer surface of the rubber layer. The waterproof layer is arranged outside the arc-shaped clamping plate, one side face of the waterproof layer is fixedly connected with the elastic plate and the vacuum layer, the outer surface of the arc-shaped clamping plate is fixedly connected with the hard plate, the partition plate is fixedly installed on one side face of the elastic plate, and the vacuum layer is arranged between the partition plate and the hard plate. A plurality of supporting rods are fixedly connected to one side