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Hunshuihai Interchange, Binan Expressway, Yunnan Province
The project is located in the northwest of Xiangyun County, Yunnan Province. It consists of a main bridge, 8 ramps, and 22 bridges. The ramps are three-layered and intersect vertically, making the project structurally complex. It crosses the Dianzhong Water Diversion Project and the Xiangyun railway line, crosses National Highway 554 four times, and connects the Chu-Da Expressway and the Bin-Nan Expressway. The transportation, installation, and construction organization processes require high standards. The project has a total of 21 steel box girders, weighing 13,000 tons in total.
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Kunming Jinxing Interchange and Longquan Interchange Reconstruction
After the demolition of 3 old bridges, a new steel bridge was built with a "well"-shaped H-steel beam structure and steel plates on top.
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Kunming Mingbo Interchange Bridge across the Chengkun Railway steel box girder project
The A and D ramps of Mingbo Overpass cross the Chengkun Railway with a span of 50 meters. Both spans of steel box girders adopt a single-box four-cell structure, with a deck width of 10.9 meters. Due to the high safety requirements of railway operation, only a bridge crane can be used, and the construction must be completed within the time specified by the railway department. Each ramp is constructed in four box cells separately.
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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.
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Production base: Tu Guan area, Lufeng Industrial Park, Chuxiong Prefecture, Yunnan Province
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