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Stolma Bridge : ウィキペディア英語版 | Stolma Bridge
Stolma Bridge ((ノルウェー語:Stolmabrua)) is a road bridge over the Stolmasundet strait in Austevoll municipality, Hordaland county, Norway. It connects the islands of Stolmen and Selbjørn. The bridge is long and has three spans, the largest of which is . The construction cost was . ==Bridge design== The bridge is a cantilevered prestressed concrete box girder bridge using low density concrete, with a vertical clearance of . To achieve its record length for box girder construction, the hollow concrete box girders are wide and taper from inbox beam depth over the piers to in the center of the span. To reduce its weight, the center of the main span is constructed of high-strength low-density concrete with a density of . The short end spans which cantilever the main span are ballisted with gravel. The bridge was opened for traffic 14 November 1998 and is part of County Road 151. It was then the world's longest bridge of this type.〔. Retrieved 2014-12-31.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Stolma Bridge」の詳細全文を読む
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