A 30kN drop hammer was used to drive a R.C pile. It has free fall of 2.0 m.The average penetration recorded in the last few blows is 6mm/blow.

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A 30kN drop hammer was used to drive a R.C pile. It has free fall of 2.0 m.The average penetration recorded in the last few blows is 6mm/blow.

written 3.9 years ago by

teamques10 ★ 45k

modified 9 months ago by

Chandan15 • 280

Estimate the allowable load on pile according to Engineering news formula.

advanced geotechnical engineering

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written 9 months ago by

Chandan15 • 280

• modified 9 months ago

Allowable Load on pile, $Q _{up}= {(WH)})/{(6(S + c))}$

Given Data:

W= 30KN ; H = 200cm; S = 0.6cm; c = 2.5cm

$Q_{up} = (30*200 )/(6*(2.5+0.6))$ =322.58KN

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