Badania i ocena dźwigarów kablobetonowych po trzydziestoletniej eksploatacji w środowisku agresywnym

This paper presents the following: - the analysis of the technical examinations of the post-tensioning cables and of the anchoring blocks in 9 disassembled girdders type KBOS-18, that were storaged 1,5 year without any protection, - conclusions resulting from the technical estimation of the reinforcement after its long time exploitation and their effect on the estimation of safety of the structures composed of the post-tensioned concrete girdders.