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Typical bridge spans are 24.4m of prestressed girders with insitu concrete deck.
Within two years of its opening to traffic, corrosion cracks were noted on the bottom side of the prestressed girders of some spans.
The bridge considered is single-span, with a cast in situ concrete deck acting compositely with the prestressed girders under live load.
Key words: bridge, concrete, cost, high-performance concrete, infrastructure, life-cycle cost, optimization, prestressed girders, reliability.
The structures consist of massive reinforced concrete piles, piers, transoms, I&L-shape prestressed girders, box girders and deck slabs.
The superstructure is continuous across 12 spans, consisting of prestressed girders made monolithic with the in situ cast deck slab and transverse girders.
"Badanie dzwigarow strunobetonowych o 15 m rospietosci (Investigation of Composite prestressed girders of 15 m span)," Bulletin No. 3, Industrial Building Research and Design Office, 1955. 24.
Repairs to all elements of the structure have recently been under way, such as deck replacement, pier repairs including submerged regions, restoration to prestressed girders, implementation of cathodic protection to control corrosion, new drainage provisions, and crash barriers.
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