The Establishment and Precision Analysis of the Measurement Datum of Subway Tunnel Plane Control
In order to find out the establishment process and accuracy analysis process of the metro tunnel plane control measurement standard,the paper will analyze the precision requirements,control measurement scheme design and practical application of the metro tunnel plane con-trol measurement based on the shield project of"Xinsheng Station~Pingxi Station of Shenzhen Urban Rail Transit Line 3 Phase 4".