Establishment of GPS Control Network and Prediction Analysis of Lateral Breakthrough Error in the Long Tunnel Construction of Zhongtianshan
Zang Jun-qiang · Journal of Luoyang Institute of Science and Technology · 2011
This paper introduces the horizontal control network design,observation and data processing in the Zhongtianshan Tunnel construction,analyses the observation quality of the tunnel control network,and estimates the impact of the control measurement error on the tunnel lateral breakthrough error.At the same time,it gives some suggestion on improving the measurement accuracy inside the tunnel.