车站咽喉区顶进框架桥设计

Design of Jacking Frame Bridge in Throat Area of Railway Station

以山东省德州市三八路下穿京沪、石德铁路立交桥工程为例,简要介绍了在车站咽喉区顶进框架桥的设计特点。在道岔稳定性、接触网设备迁改、基坑支护及降水止水、既有桥拆除、路桥过渡段注浆等方面做了具体说明。

Taking the project of Sanba Road undercrossing the JingHu and ShiDe railway overpass as an example,this paper briefly introduces the design features of the jacking frame bridge in the throat area of the station.The stability of the switch,the transformation of the catenary equipment,the foundation pit support and the dewatering stop,the demolition of the existing bridge and the grouting of the bridge transition section are described in detail.