A precast concrete pile 0.450 m x 0.405 in cross section is driven by a hammer. Given: Maximum rated hammer energy = 43.

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answerhappygod
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A precast concrete pile 0.450 m x 0.405 in cross section is driven by a hammer. Given: Maximum rated hammer energy = 43.

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A precast concrete pile 0.450 m x 0.405 in cross section is driven by a hammer. Given:Maximum rated hammer energy = 43.84 kN.mHammer efficiency = 0.7Weight of ram = 36.65 kNPile length = 25.25 mCoefficient of restitution = 0.5Weight of pile cap = 2.12 kNEp = 20.8 x 103 MN/m2
FOS = 4Number of blows for last 25.4mm of penetration = 6Estimate the allowable pile capacity using Danish formula
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