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Seismic Monitoring of Metro Tunnel

2012 • Los Angeles • California, USA

Quick Facts

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Challenge

Monitor the structural response of the metro tunnel during demolition and new construction works in a seismically active urban zone, while ensuring uninterrupted metro operations.

Solution

The system consisted of:

  • Nine (9) acceleration channels for real-time monitoring of tunnel structural response.
  • Automatic visualization of recorded seismic events on a dedicated web interface.
  • Automatic reporting of events in PDF format for engineering documentation and analysis.

Outcomes

The deployment provided metro authorities and contractors with reliable, real-time insights into the structural performance of the tunnel. The system enabled early detection of abnormal vibrations during demolition and construction activities, ensured compliance with safety regulations, and delivered an archived dataset of seismic responses for engineering validation. This case demonstrated the value of seismic monitoring in safeguarding underground transportation infrastructure in highly dynamic construction environments.

Tech Stack

Legacy

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