地铁隧道下穿既有线对线路结构变形影响的研究

Study on the Influence of Subway Tunnel Under Pass the Existing Line on the Deformation of Line Structure

选取某市地铁1号线张西区间下穿既有铁路为研究对象,对既有铁路线的轨道、路基、桥梁等进行监测,评定隧道施工对既有铁路结构的影响,对可能发生的事故提供及时、准确的预报,避免事故的发生.

This paper selects the existing railway under the Zhangxi section of subway line 1 in a city as the research object,monitors the track,subgrade and bridge of the existing railway line,evaluates the influence of tunnel construction on the existing railway structure,and provides timely and accurate forecast for possible accidents to avoid the occurrence of accidents.