23.7.2. Sensor Technologies

Try these first

1. 1.

   What does LIDAR stand for?

   Hint

   Think about how it maps surfaces.

2. 2.

   Name one application of gas sensors in tunneling.

   Hint

   Consider worker safety.

3. 3.

   What technology is used for 3D tunnel mapping?

   • Radar
   • LIDAR
   • Sonar

   Hint

   Think of how tunnels are visually modeled.

4. 4.

   True or False: Infrared thermography can detect structural weaknesses.

   • True
   • False

   Hint

   Consider how temperature correlates with structural integrity.

5. 5.

   Analyze how integrating LIDAR and gas sensors could enhance worker safety during tunnel construction.

   Hint

   Consider what each sensor provides in terms of information.

6. 6.

   Discuss the implications of using infrared thermography in monitoring humidity levels within a tunnel.

   Hint

   Reflect upon how heat can signify moisture presence.