New Huying Xishan Tunnel Project
In November 2016, commissioned by the Beijing Railway Bureau, our equipment participated in the vibration detection of the existing Liuzhangzi tunnel in the newly built Huying Xishan tunnel. Since there is no mobile phone network signal in the existing tunnel, the 4G of the tunnel entrance will be The signal is introduced into the measuring point by using the optical fiber, so that the instrument realizes the Internet access function, thereby realizing real-time network monitoring and greatly reducing the monitoring workload.