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    Tunnel Monitoring Systems

    Structural Health Monitoring

tunnel monitoring

Tunnel Monitoring Systems

Tunnels play a crucial role in the transportation system, but their regular and manual monitoring poses significant challenges. As a solution, IoT technology has been introduced to monitor these heavy structures, such as tunnels, by assessing their changing impact after the application of loads and the influence of environmental factors.

Tunnel Monitoring is a subbranch of Structural Health Monitoring (SHM), which encompasses the analysis of various parameters related to the structural deterioration of tunnels. These parameters include strain, stress state, inclination, displacements, cracking, and deformation.

The IoT behavior technology is utilized by the monitoring system to keep track of the structural health of the surrounding area. It monitors the squeezing of ground conditionschimney positionsface collapse, and water level. The system also helps in verifying external environmental parameters and geotechnical measurements. External environmental parameters are wind, temperature, humidity, and turbidity levels. Geotechnical measurements are landslides, groundwater pressure, water level, flow, leakage, and seismic events. The integration of these parameters is vital for a complete understanding of tunnel health and deterioration.

Benefits

  • to reduce maintenance and operations costs

  • to reduce the risk of structural collapses

  • to automatize data reading and collection

  • to improve safety in workplaces, public places, structures

Reduce Failures with Tunnel Monitoring Systems

Tunnel failures and related issues pose significant challenges that can be effectively tackled by leveraging remote monitoring and smart sensor. By deploying a reliable sensor-based tunnel monitoring system, potential defects can be detected promptly, allowing for timely and strategic decisions to prevent long-term damage. To effectively monitor tunnels, various types of monitoring can be applied, including:

  • Monitoring tunnels in poor rock conditions that are crushed or swollen.
  • Monitoring in dynamic conditions, where the tunnel is subjected to constant movement or vibrations.
  • Monitoring the effect of rock type on the length of bolts used in the tunnel.
  • Monitoring groundwater conditions within tunnels to prevent flooding or water damage.
  • Monitoring rainwater levels and conditions inside the tunnels to ensure proper drainage.

Tunnel Monitoring Systems with IoT Technology

Tunnel monitoring systems typically consist of tunnel sensors, data acquisition systems (data loggers), data transfer systems, data management systems, and data analysis. These systems are crucial in interpreting the overall structural condition of a tunnel, particularly those with complex structures that require 24/7 monitoring.

The integration of IoT technology is well-suited for such applications, as it allows for the efficient management of large volumes of digital data. With IoT, data can be accessed, collected, and analyzed remotely and in real-time, eliminating the need for on-site field tests and inspections involving human workers. Tunnel monitoring systems are crucial for maintaining the structural health of tunnels. By leveraging these technologies, tunnel monitoring systems greatly enhance monitoring capabilities and help ensure the safety and longevity of tunnels. Particularly for complex structures, continuous monitoring is highly recommended for accurate interpretation.

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