4.1. Self-Contained Unit

Try these first

1. 1.

   What mechanism does a double acting steam hammer use for its operation?

   Hint

   Think about the different strokes involved.

2. 2.

   Why is a diesel hammer considered self-contained?

   Hint

   Consider what is included in its assembly.

3. 3.

   What type of energy does a double acting steam hammer primarily use?

   • Electrical
   • Steam
   • Hydraulic

   Hint

   Consider the term 'steam hammer'.

4. 4.

   True or False: Diesel hammers require an external air compressor.

   • True
   • False

   Hint

   Think about the meaning of 'self-contained'.

5. 5.

   A construction project requires deep pile penetration in a cohesive soil. Discuss which hammer type is appropriate and justify your choice.

   Hint

   Consider the characteristics of the hammer and the soil type.

6. 6.

   Describe potential consequences of not managing resonance when using a vibratory pile driver near historical structures.

   Hint

   Think about how vibrations from construction can affect fragile structures nearby.