23.3. Tunnel Boring Machines (TBMs): Semi-Robotic Systems

Try these first

1. 1.

   What does a TBM do?

   Hint

   Think about its primary function.

2. 2.

   Name two main components of a TBM.

   Hint

   These are parts essential for its operation.

3. 3.

   What is the primary function of a TBM?

   • To excavate tunnels
   • To remove debris
   • To install linings

   Hint

   Consider what TBM stands for.

4. 4.

   True or False: Hard Rock TBMs are designed for soft soil.

   • True
   • False

   Hint

   Think about the types of soil and rock they excavate.

5. 5.

   Evaluate the advantages and disadvantages of using a Slurry Shield TBM in an urban setting.

   Hint

   Consider the benefits and challenges of stability and safety.

6. 6.

   Design a TBM for a new underground project that includes mixed soil and hard rock conditions. Specify the type of TBM and justify your choice.

   Hint

   Think about the geological conditions and the machine’s capabilities.