Abstract: Zhengzhou D ramp bridge is southwest of Zhengzhou Ring Expressway - Airport Expressway Interchange Ramp D and B across the airport highway ramp of the overpass, bridge span arrangement for the (23 +38 +35 +21 m) four-span continuous steel box girder. The all-welded bridge girder by girder, single-box double room section, its manufacturing is divided into units of the manufacture, match manufacturing segment, segment pre-assembly and site erection process stage 4.
内容全部来源于网络收集，如有侵权，请联系网站删除：QQ：24596024