临近既有运营线高铁的顶进框构桥设计

摘要

通过对临近某高铁下穿立交工程的顶进框构桥的设计介绍,主要阐述了框构桥主体设计、线路加固、线路防护设计、工作坑支护、止水措施设计以及地基加固设计等各个设计细节,本工程的设计可为同类下穿运营铁路立交工程的顶进框构桥设计提供参考。%Through the introduction on jacking frame bridge design of near a high-speed rail under interchange engineering,mainly elaborated the frame bridge body design,line reinforcement,line protection design,working pit support,waterproof measures design and foundation reinforcement design and other all kinds of design details.The project design could provide reference for jacking frame bridge design of similar under operation interchange engineering.