Exam (405).pdf - Question A steel H-pile(section HP13 \u00c3\u2014 100 is driven by a hammer The maximum rated hammer energy is 40 kip-ft the weight of the ram

Exam (405).pdf - Question A steel H-pile(section HP13...

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Question: A steel H-pile (section HP13 × 100) is driven by a hammer. The maximum rated hammer energy is 40 kip-ft, the weight of the ram is 12 kip, and the length of the pile is 90 ft. Also, we have coefficient of restitution = 0.35, weight of the pile cap = 2.4 kip, hammer efficiency = 0.85, number of blows for the last inch of penetration = 10, and E p = 30 × 10 6 lb/in. 2 . Estimate the pile capacity using Eq. (9.114). Take FS = 6. Reference: Answer : Find the ultimate load using EN formula for pile driving, …… (1) Here maximum rated hammer energy is , penetration of pile per hammer blow is
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  • Summer '16
  • boer
  • 90 ft, 106 lb, 12 kip, 40 kip, 2.4 kip

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