Anfengying Interchange Steel Box Girder Project of Wuyi Expressway, Yunnan Province
Anfengying Interchange Steel Box Girder Project of Wuyi Expressway, Yunnan Province
Anfengying Interchange Steel Box Girder Project of Wuyi Expressway, Yunnan Province
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  • Anfengying Interchange Steel Box Girder Project of Wuyi Expressway, Yunnan Province
  • Anfengying Interchange Steel Box Girder Project of Wuyi Expressway, Yunnan Province
  • Anfengying Interchange Steel Box Girder Project of Wuyi Expressway, Yunnan Province

　　The Wu Yi Expressway Anfengying Interchange overpass crosses the Anchu Expressway, with six lanes in both directions and a design speed of 100 km/h. The steel box girders total 10,000 tons. The main line bridge's fourteenth span steel box girders on both sides are 45+60+45m, single-box five-cell fully welded steel box girders, with a standard height of 2.7m and a full top plate width of 18.89~24.88m. The C ramp 1 bridge's fifth span steel box girder is 45+60+45m; the G ramp 1 bridge's third span steel box girder is 45+60+45m, single-box double-cell fully welded; the C ramp 2 bridge's fourth span steel box girder is 35+38+35m, single-box four-cell fully welded. The C ramp 2 bridge uses top-launch construction, while the remaining steel box girders are installed using a truck crane.

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Anfengying Interchange Steel Box Girder Project of Wuyi Expressway, Yunnan Province
Anfengying Interchange Steel Box Girder Project of Wuyi Expressway, Yunnan Province
Anfengying Interchange Steel Box Girder Project of Wuyi Expressway, Yunnan Province
+
  • Anfengying Interchange Steel Box Girder Project of Wuyi Expressway, Yunnan Province
  • Anfengying Interchange Steel Box Girder Project of Wuyi Expressway, Yunnan Province
  • Anfengying Interchange Steel Box Girder Project of Wuyi Expressway, Yunnan Province

Anfengying Interchange Steel Box Girder Project of Wuyi Expressway, Yunnan Province

Wu Yi Expressway Anfengying Interchange, which overpasses Anchu Expressway, is a six-lane dual-carriageway with a design speed of 100 km/h. A total of 10,000 tons of steel box girders were used. The fourteenth span of the steel box girders on the main line bridge is 45+60+45m, a single-box five-cell fully welded steel box girder with a standard height of 2.7m and a top slab width of 18.89~24.88m. The fifth span of the steel box girder on C ramp 1 bridge is 45+60+45m; the third span of the steel box girder on G ramp 1 bridge is 45+60+45m, a single-box double-cell fully welded structure; the fourth span of the steel box girder on C ramp 2 bridge is 35+38+35m, a single-box four-cell fully welded structure. C ramp 2 bridge used top-launch construction method, while other steel box girders were installed using a crane.

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Road and bridge engineering

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