征仪路下穿铁路编组站超长地道桥施工方案

Construction Scheme of Super Long Frame Bridge Sub-pass Railway Marshalling Yard on Yizheng Road in Haerbin City

详细介绍哈尔滨市征仪路以超长地道桥方式穿越哈尔滨南站编组站工程的施工方案,包括护顶超大管棚施作、开挖小导洞铺设工字钢滑道、顶进方法选择及箱涵预制、顶进设备的选择及布设、滑板制作、后背梁及导向墩施工、喷石蜡及防水层、钢刃角的安装、顶进施工方法、箱涵内掘进掌子面预加固、顶进挖土出土、泥浆润滑措施、回填灌浆措施、顶进顺序、中继间布置、顶进测量、顶进方向和高程的控制,以及监控量测等。

The construction scheme of super long frame bridge sub-pass railway marshalling yard on Yizheng Road in Haerbin city is introduced in detail ,including such aspects as super large pipe roof constrction ,advanced pilot excavation and direct I-type steel laying,pushing method selection and frame bridge prefabrlication ,pushing facility option and arrangement,bottom plate for frame bridge moving,back beam and direct block construction,paraffin wax spraying and water proof layer ,steel knife setting,pushing construction way,excavation working face prestrengthening in frame bradge ,soil excavation and mucking,soil slurry lubrication,backfilling grouting, pushing sequence ,middle connection arrangement,pushing survey,pushing direction and elevation control ,site monitoring and so on.