Urban Tunnel Monitoring: What's Next?

摘要

In the past 15 years the tools and techniques used to monitor the performance of tunnel construction in relation to settlement have improved significantly. From manual intrusive instruments the trend is now to use more automatic, remote sensing, real time and refiectorless techniques. Optical and radar signals are now commonly used for a wide range of high accuracy movement detection and measurement. The improvement of data processing methods and capabilities help to manage the risk. This paper illustrates this evolution with worldwide tunnel case studies and references. Mitigating the risks related to settlement has always been one of the top priorities of the geotechnical players of the tunneling industry. While other sectors have adopted smart technology long ago into their decision making processes to manage the risks, the civil engineering industry is now understanding the benefits of instrumentation and monitoring applied to all phases of a construction project.