作为一项高精度的精密测量工作,地铁铺轨基标测量工序多,程序复杂。本文通过工程实践,探讨了目前地铁铺轨基标测量的关键技术要点,并在此基础上依据误差传播理论,分析影响地铁铺轨基标测量精度的有关因素,提出了相应的措施来提高地铁铺轨基标测量精度,确保工程质量。 As a high-precision precision measurement, the basic procedure of subway track measurement is complex and the procedure is complicated. Based on the theory of error propagation, the paper analyzes the relevant factors that affect the measurement accuracy of the base standard of subway decking, and puts forward corresponding measures to improve the track laying base of the subway Standard measurement accuracy to ensure project quality.