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The viaduct is positioned on the highway, connecting the city of Sofia with the northern part of Bulgaria. The total length of the viaduct is 645m, where it has 16 spans of 40.5m length each. The maximum height of the piers is 50m.During the renovation of the deck and the piers has been discovered that some of the 120t post-tensioned concrete beams are in very bad condition. Approximately more than...
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