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Hubei Shiyan Shuanghuan Engineering Co., Ltd. third contract section of Fengshen Avenue Project Phase III - special pipe corrugated steel pipe culvert with 5 elbows, laid along the river; section span diameter 5m, vector height 5m; wave distance 230mm, wave height 64mm; steel plate wall thickness 5mm; culvert length 220m; pipe top filling 10-12m.
Yunnan Dajia high-speed-special pipeline corrugated steel pipe shaft elbow design, solve the problem of large longitudinal slope; cross-sectional span diameter 2.5m, vector height 2.5m; wave distance 230mm, wave height 64mm; steel plate wall thickness 5mm; culvert pipe length 138m; pipe top filling 5-13m.
Yunnan Xiaolong high-speed spring diversion project - special pipe corrugated steel pipe tee setting; cross-sectional span 6m, vector height 6m; wave distance 230mm, wave height 64mm; steel plate wall thickness 7mm; culvert pipe length 13m.
Yunnan Province, grinding Si highway service facilities expansion project - large span corrugated steel plate arch bridge; cross sectional span diameter 11.3m; sagittal height 3.6m; wave spacing 381mm, wave height 140mm; steel plate wall thickness 6mm (reinforced); culvert pipe length 138m; pipe top filling 2m.
Qinglan Expressway Handan to Shibian section - large span corrugated steel plate channel, fast construction, low cost; cross-sectional span diameter 6m, sagittal height 6m; wave distance 200mm, wave height 55mm; steel plate wall thickness 7mm; culvert pipe length 118m; pipe top filling 15m.
Sichuan Panzhihua to Dali highway Baoding tunnel entrance - large span tunnel entrance application corrugated steel plate bridge culvert; cross-sectional span diameter 10m sagittal height 10m; wave distance 381mm, wave height 140mm; steel plate wall thickness 7mm; culvert pipe length 75m; pipe top filling 5m.