Prestress tension testing device for prestress U-shaped aqueduct

The utility model discloses a prestress tension testing device for a prestress U-shaped aqueduct, belonging to the technical field of hydrographic engineering. A sealing structure of which the overall structure is identical to that of a to-be-tested U-shaped aqueduct is established in the horizontal direction, a corrugated pipe through which a prestress rib can penetrate is preburied in the sealing structure, and a preformed hole in which stress testing equipment can be mounted is formed in an appropriate position at the upper part of the sealing structure, so that a real prestress tension environment of the U-shaped aqueduct can be conveniently and accurately simulated and measured. The prestress tension testing device is simple in structure and low in implementation cost, the prestress tension testing of the prestress U-shaped aqueduct, which is difficult to implement in the prior art, can be accurately and effectively achieved, and very high engineering practicability is achieved.