Multiple choice

A precast concrete pile is driven with a 50 kN hammer falling through a height of 1.0 m with an efficiency of 0.6. The set value observed is 4 mm per blow and the combined temporary compression of the pile, cushion and the ground is 6 mm. As per Modified Hiley Formula, the ultimate resistance of the pile is

  1. 3000 kN

  2. 4285.7 kN

  3. 8.333 kN

  4. 11905 kN

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation