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Piling Hammer Efficiency for Raking Piles

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kieran1

kieran1

Structural
Joined
Feb 27, 2002
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178
Location
GB
Can anyone help me in determining the hammer efficiency of a Junttan PM16 piling rig with a 4ton HHK3 hydraulic hammer. I'm trying to determine set calculations for a 1:3 Raking pile.

I'm assuming there will be some loss in efficiency due to the rake.

I normally assume a 65% efficiency for vertical piles.

Kieran
 
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