Tuoan Interchange Steel Box Girder Ramp Bridge on the Yunnan Xin Chu Da Expressway
Tuoan Interchange Steel Box Girder Ramp Bridge on the Yunnan Xin Chu Da Expressway
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  • Tuoan Interchange Steel Box Girder Ramp Bridge on the Yunnan Xin Chu Da Expressway
  • Tuoan Interchange Steel Box Girder Ramp Bridge on the Yunnan Xin Chu Da Expressway

　　The project is located in Guangtong Town, Chuxiong Prefecture, Yunnan Province. The superstructure of this project uses a 2*20m ordinary cast-in-place concrete box girder for the first span, a 13.92+28.5m steel box girder for the second span, and a 2*28.5+17.306m steel box girder for the third span; the bridge is located on a hillside, with a steel box girder operating radius R of 60 meters. The construction conditions are complex, involving small-radius hoisting operations. The steel box girders are assembled on-site into hoisting sections, and then hoisted into place using two 350-ton truck cranes.

Keywords:

Road and bridge engineering

tuoan

interchange

steel

box

Tuoan Interchange Steel Box Girder Ramp Bridge on the Yunnan Xin Chu Da Expressway
Tuoan Interchange Steel Box Girder Ramp Bridge on the Yunnan Xin Chu Da Expressway
+
  • Tuoan Interchange Steel Box Girder Ramp Bridge on the Yunnan Xin Chu Da Expressway
  • Tuoan Interchange Steel Box Girder Ramp Bridge on the Yunnan Xin Chu Da Expressway

Tuoan Interchange Steel Box Girder Ramp Bridge on the Yunnan Xin Chu Da Expressway

The project is located in Guangtong Town, Chuxiong Prefecture, Yunnan Province. The superstructure of this project uses a 2*20m ordinary concrete cast-in-place box girder for the first section, a 13.92+28.5m steel box girder for the second section, and a 2*28.5+17.306m steel box girder for the third section; the bridge is located on a hillside, with a steel box girder operating radius R of 60 meters. The construction conditions are complex, involving small-radius lifting operations. The steel box girders are assembled on-site into lifting sections, and then lifted into place using two 350-ton truck cranes.

Category

Road and bridge engineering

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