Anti-loosening pressure type prestress self-checking anti-floating anchor rod and construction method thereof

The invention discloses an anti-loosening pressure type prestress self-checking anti-floating anchor rod and a construction method thereof, and belongs to the technical field of foundation construction, and the anti-floating anchor rod comprises an anchoring body, a prestress steel strand, a bearing plate, a base plate, an elastic anti-loosening piece and a tensioning end anchorage device; the anchoring body is arranged in a foundation; the prestressed steel strand is arranged in the anchoring body, and the top end extends out of the anchoring body; the bearing plate is arranged on the prestressed steel strand in a sleeving manner and is arranged at the top of the anchoring body; the base plate is arranged on the prestressed steel strand above the bearing plate in a sleeving manner; the elastic anti-loosening piece is arranged between the base plate and the bearing plate in an abutting mode. The tensioning end anchorage device is arranged on the prestressed steel strand, and the bottom face of the tensioning