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Group Pile - Coggle Diagram
Group Pile
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Settlement of Pile
Elastic
If the pile material is assumed to be elastic, the deformation of the pile shaft can be evaluated in accordance with the fundamental principles of mechanics of materials as
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Determination of load-bearing capacity of group piles is complicated. If piles are closely placed to each other it will reduce the load bearing capacity of piles
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Piles in Clay
Steps to determine the efficiency of the pile
group :
1.Determine Total Qu = (n1)(n2)(Qb+Qs)
2.Calculate Qg(u) = Qb(g) + Qs(g)
Compare 1 and 2 and take the lower value
Piles in Sand
It is based on simplified analysis to obtain the efficiency for friction piles. The piles may act in one of two ways:-
- As individual piles, Qu = (p)(L)(fave)
- As a Block with,Lg X Bg X L, Qg(u) = (fave)(Pg)(L)
Pile group capacity, Q = q0 X B2 + 4 x B x L x f
(Square)
