The 670-kg hammer of a drop-hammer pile driver falls from a height of 1.2 m onto the top of a 140-kg pile, driving it 110 mm into the ground. Assuming perfectly plastic impact (e= 0), determine the average resistance of the ground to penetration.
The 670-kg hammer of a drop-hammer pile driver falls from a height of 1.2 m onto the top of a 140-kg pile, driving it 110 mm into the ground. Assuming perfectly plastic impact (e= 0), determine the average resistance of the ground to penetration.
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Transcribed Image Text:The 670-kg hammer of a drop-hammer pile driver falls from a height of 1.2 m onto the top of a 140-kg pile, driving it 110 mm into the
ground. Assuming perfectly plastic impact (e= 0), determine the average resistance of the ground to penetration.
140 kg
The average resistance of the ground to penetration is [
78.7 kN.
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