Structural Repair and Strengthening

Following quality construction methods, the single most important factor in the lifespan of a post-tensioned structure is proper inspection at prescribed intervals. In depth inspections can be critical in determining potential issues that may require enhanced inspection intervals, maintenance, or even repair work.

Post-Tensioning and Cable Stay Systems

The picture shows how an external bonded tendon can be opened for grout sampling and visual inspection of the PT strand.

PT Surveillance in Nuclear Facilities

DSI has performed Inspection and surveillance of post-tensioning systems in nuclear containment structures.

Ground Penetrating Radar (GPR)

DSI Technicians use Ground Penetrating Radar for identification of PT tendons, reinforcing systems, and other concrete embedded metal items.

Force Verification

Knowledge is important for owners when it comes to managing the health of their structures. The ability to read force in post-tensioning systems that are in-service is an important part of inspection and evaluation programs. DSI is routinely called upon for our expert services and equipment to perform liftoff testing.