| Publisher | Massachusetts Institute of Technology | ||
|---|---|---|---|
| Format | 27.4KB PDF | Date added | 23 May 2005 |
| Topics | Monitoring Systems, Network Administration | ||
| Downloads | 81 | ||
This paper describes the development and deployment of a Wireless Sensor Network (WSN) to monitor a train tunnel during adjacent construction activity. The tunnel in question is a part of the London Underground system. Construction of tunnels beneath the existing tunnel is expected to cause deformations. The expected deformation values were determined by a detailed geotechnical analysis. A real-time monitoring system, comprising of 18 sensing units and a base-station, was installed along the critical zone of the tunnel to measure the deformations. The sensing units report their data to the base-station at periodic intervals. The system was used for making continuous measurements for a period of 72 days.
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