Wangjia Village Super-large Bridge, Sanqing Expressway, Yunnan Province
Wangjia Village Super-large Bridge, Sanqing Expressway, Yunnan Province
Wangjia Village Super-large Bridge, Sanqing Expressway, Yunnan Province
Wangjia Village Super-large Bridge, Sanqing Expressway, Yunnan Province
Wangjia Village Super-large Bridge, Sanqing Expressway, Yunnan Province
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  • Wangjia Village Super-large Bridge, Sanqing Expressway, Yunnan Province
  • Wangjia Village Super-large Bridge, Sanqing Expressway, Yunnan Province
  • Wangjia Village Super-large Bridge, Sanqing Expressway, Yunnan Province
  • Wangjia Village Super-large Bridge, Sanqing Expressway, Yunnan Province
  • Wangjia Village Super-large Bridge, Sanqing Expressway, Yunnan Province

　　The project is located in Beiyang Street, Yiliang County, Kunming, Yunnan Province, and includes multiple steel box girder bridges of varying spans. Among them, the steel box girder spanning the Southeast Ring Expressway uses a step-by-step top-push construction method, while the 90-meter span steel-concrete composite girder of the fourth section on the left side of the main line uses a lifting method due to the 55-meter-high bridge pier. Due to height restrictions on the steel box girder, it needs to be prefabricated into plate units in the factory and then assembled and welded on-site. To ensure the project schedule, alternating day and night shifts are implemented on-site, and large-scale lifting equipment is used to complete the lifting tasks.

Keywords:

Wangjia Village Super-large Bridge, Sanqing Expressway, Yunnan Province
Wangjia Village Super-large Bridge, Sanqing Expressway, Yunnan Province
Wangjia Village Super-large Bridge, Sanqing Expressway, Yunnan Province
Wangjia Village Super-large Bridge, Sanqing Expressway, Yunnan Province
Wangjia Village Super-large Bridge, Sanqing Expressway, Yunnan Province
+
  • Wangjia Village Super-large Bridge, Sanqing Expressway, Yunnan Province
  • Wangjia Village Super-large Bridge, Sanqing Expressway, Yunnan Province
  • Wangjia Village Super-large Bridge, Sanqing Expressway, Yunnan Province
  • Wangjia Village Super-large Bridge, Sanqing Expressway, Yunnan Province
  • Wangjia Village Super-large Bridge, Sanqing Expressway, Yunnan Province

Wangjia Village Super-large Bridge, Sanqing Expressway, Yunnan Province

The project is located in Beiyang Street, Yiliang County, Kunming, Yunnan Province, and includes multiple steel box girder bridges of varying spans. Among them, the steel box girder spanning the Southeast Ring Expressway adopts a step-by-step launching method, while the 90-meter span steel-concrete composite girder of the fourth section on the left side of the main line adopts a lifting method due to the 55-meter-high bridge pier. Due to height restrictions on the steel box girder, it needs to be prefabricated into plate units in the factory and then assembled and welded on site. To ensure the project schedule, day and night shift work is implemented on site, and large-scale lifting equipment is used to complete the lifting task.

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Road and bridge engineering

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