23.3.1. Definition and Functionality of TBMs

Try these first

1. 1.

   What does TBM stand for?

   Hint

   Think about machines used for digging tunnels.

2. 2.

   What is the function of the cutter head?

   Hint

   It's the front part of the TBM.

3. 3.

   What does TBM stand for?

   • Tunneling Boring Machine
   • Tunnel Boring Machine
   • Tunnel Building Machine

   Hint

   Focus on the correct terminology used for these machines.

4. 4.

   True or False: Hydraulic jacks are mainly used for transporting excavated materials.

   • True
   • False

   Hint

   Consider what propulsion means in this context.

5. 5.

   Evaluate the impact of using different types of TBMs on a construction project's timeline and overall budget.

   Hint

   Consider how geological challenges create different needs for excavation technology and labor.

6. 6.

   Design a TBM for a hypothetical tunneling project that involves both hard rock and soft soil. What components would you prioritize and why?

   Hint

   Consider the geological challenges that impact TBM design and functionality.