路线竣工测量的目的是最后确定路线中线、检查建筑限界及标高是否满足设计要求。主要内容是中线测量、高程测量、横断面测量等。1中线测量1.1利用施放的护桩恢复线路施工前原有的控制桩,进行线路中线贯通测量;还应测量桥梁、隧道建筑中线与线路中线中是否一致,若出现不相一致时 The purpose of the route completion survey is to finalize the route centerline, check whether the building boundaries and elevation meet the design requirements. The main content is the midline measurement, elevation measurement, cross-section measurement. 1 midline measurement 1.1 using the cast-in retaining pile restore the line before the construction of the original control pile, to measure the line through the center line; should also measure the bridge, the tunnel construction centerline and the line center line is consistent, if inconsistent