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Sava River Bridge (A3)
The Sava Bridge is located between Kosnica and Ivanja Reka interchanges of the A3 motorway near Zagreb in Croatia, spanning Sava River. It is long, and it comprises four traffic lanes and two emergency lanes. Construction work on the Sava Bridge started in 1977 and was opened to traffic in 1981. When completed, the bridge was the largest, in terms of its plan area, prefabricated girder bridge in Croatia. The bridge was designed by Zvonimir Lončarić and built by Hidroelektra, Zagreb.〔
==Description==
The bridge consists of three major sections. The southern foreshore is spanned by prefabricated reinforced concrete girders freely supported across neoprene bearings on top of pier cap beams spanning + 12 x = . The central section of the bridge consists of cantilevers and suspended prefabricated reinforced concrete girders, and is long. The southern foreshore is spanned by a structure identical to the one on the northern foreshore, except it is shorter as it spans + 4 x = . Bridge piers are thin and slender to minimize any disruption to Sava River course. Bridge foundations are executed on "Benoto" piles. The bridge is executed as two parallel structure – each carrying one motorway carriageway.
The bridge is located in a horizontal curve comprising radius and a vertical convex curve of radius, as it crosses the river at a 76 degree angle relative to the riverbed. Due to the oblique angle of the crossing, the riverbed spanned is wide at the point of the crossing. The deck surface exhibits symmetrical 2% grade towards the banks.〔
Between 2005 and 2010 a thorough rehabilitation of the bridge was performed to remedy some details, execution shortcomings recorded since 1981 and damage caused by intensive use of salt during winter use of the bridge.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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