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Nakashinden Viaduct
| Awards | 2009 JPCEA award (R&D Award)
 |
|---|---|
| Location | Ebina City, Kanagawa Prefecture |
| Completion | 2009 |
| Owner | Central Nippon Expressway Company Limited |
| Specs | Bridge length: 958m+ 991m Span: (Second Viaduct) 9@40m (Third Viaduct) 8@41m+2@32.5m+2@30.5m +43m+2@34m+2＠33m Width: 11.400 to 21.050m |
| Structural type | 9-span + 17-span continuous PC bow girder bridges with pretensioned precast web |
Nakashinden Viaduct uses pretensioned web in a large scale to reduce labors as well as construction period. About 4,000 pretensioned web panels were produced by long-line method in a factory. It is the world first pretensioned web bridge cast on scaffolding. New production and construction technologies were developed to successfully build it.
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