![]() ![]() ![]() Finally, the experimental program supported by numerical analysis provided information about the actual state of prestressing in the bridge. Therefore, the diagnostic survey and subsequent determination of the residual prestressing force included the application of the saw-cut method, the structural response method, and the Barkhausen noise technique. ![]() The assessment was carried out as a result of concerns after exposure of the anchorage area of the bridge, which was executed during the construction of the new system of anti-flood barriers in the town of Banska Bystrica in central Slovakia. The presented paper introduces an evaluation of a monolithic 62-year-old prestressed concrete bridge, which was built in 1959. This information is subsequently used in the process of the quantification of the load-carrying capacity and remaining service life of prestressed concrete structures. Therefore, reliable diagnostic techniques for determining the residual value of the prestressing force are needed. In the case of prestressed concrete structures, knowledge of the residual state of prestressing is the crucial factor. Ageing infrastructure leads to the need for a proper assessment and final decisions considering its state. ![]()
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