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Foundation Engineering

Group Pile in Clay

The load carr...

Question

The load carrying capacity of an individual friction pile is 200 kN. What is the total load carrying capacity of a group of 9 such piles with group efficiency factor of 0.8?

A

1800 kN

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B

1640 kN

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C

1440 kN

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D

900 kN

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Solution

The correct option is C 1440 kN
Load carrying capacity of pile group

= Group efficiency factor $\times$ Number of piles $\times$ Individual pile capacity

$= 0.8 \times 9 \times 200 = 1440 k N$

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