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If a hammer is raised by steam and allowed to fall by gravity on top of the pile, it is called as________
  • a)
    Diesel hammer
  • b)
    Vibratory hammer
  • c)
    Single acting hammer
  • d)
    Drop hammer
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
If a hammer is raised by steam and allowed to fall by gravity on top o...
Single Acting Hammer

- A single acting hammer is a type of pile driving hammer that is raised by steam and allowed to fall by gravity onto the pile.
- This type of hammer is commonly used in pile driving operations in construction and civil engineering projects.
- The single acting hammer works on the principle of converting potential energy into kinetic energy to drive the pile into the ground.
- It consists of a heavy weight, usually a steel or iron hammer, which is raised to a certain height using steam power.
- The hammer is then released and allowed to fall freely onto the pile, delivering a powerful impact force.
- The impact force generated by the falling hammer drives the pile into the ground.
- The steam power is used to raise the hammer, and gravity provides the energy for the hammer to fall.
- The hammer is typically raised using a steam engine or a steam-driven winch system.
- The height to which the hammer is raised determines the potential energy it possesses.
- When the hammer is released, this potential energy is converted into kinetic energy as the hammer falls under the influence of gravity.
- The kinetic energy is transferred to the pile, causing it to penetrate the ground.
- Single acting hammers are effective in driving piles into various types of soil, including soft soils, dense soils, and even hard rock.
- They are commonly used in the construction of bridges, buildings, and other structures that require deep foundation systems.
- Single acting hammers are known for their simplicity and reliability.
- They are relatively easy to operate and maintain, making them a popular choice in pile driving operations.
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If a hammer is raised by steam and allowed to fall by gravity on top o...
If a hammer is raised by steam, compressed air or internal combustion, but is allowed to fall by gravity alone, it is called as single acting hammer. The energy of such hammer is equal to the weight of the ram times the height of the fall.
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