What is TBM tunnel monitoring?
TBM tunnel monitoring refers to the continuous assessment of structural parameters during and after the excavation of tunnels using a Tunnel Boring Machine (TBM).
TBMs are widely used for efficient and precise excavation in various tunneling projects, such as subways, highways, and water conveyance systems. However, the complexity of this process requires accurate monitoring to ensure safety, optimize performance, and maintain the integrity of the surrounding ground.
The monitoring process starts during excavation, where a dedicated tunnel monitoring system tracks critical parameters like ground movement and the behavior of support structures. This data enables engineers to make informed decisions, adjust operations as needed, and address any unexpected issues proactively.
Additionally, TBM tunnel monitoring is a crucial part of structural health monitoring (SHM). SHM focuses on long-term stability by continuously evaluating the tunnel’s structural integrity post-excavation. Parameters such as deformation, settlement, and pressure are monitored to identify potential risks and ensure the tunnel remains safe throughout its lifespan.
Key Instruments for TBM Tunnel Monitoring and Structural Health
To achieve effective TBM tunnel monitoring, specialized instruments for tunnel excavation monitoring systems are essential. These tools include strain gauges, pressure cells, extensometers, inclinometers, and load cells. Each plays a critical role in capturing precise data under the challenging conditions of a TBM project. By integrating these instruments into a comprehensive monitoring system, engineers can manage risks, optimize operations, and reduce maintenance costs.
SISGEO provides advanced TBM tunnel monitoring solutions tailored to meet the demanding requirements of modern tunneling projects. With reliable instruments and expert support, SISGEO ensures the safety, stability, and efficiency of your TBM excavation and long-term tunnel operations.
Take a look to the Sisgeo video dedicated to TBM tunnel monitoring