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Surcharge from friction pile on to retaining wall

Surcharge from friction pile on to retaining wall

Surcharge from friction pile on to retaining wall

(OP)
thread256-471442: surcharge from friction pile on to retaining wall

The surcharge onto the retaining wall is from the end bearing capacity of the pile solely?
Surely the load friction capacity of the pile does not create a surcharge onto the retaining wall? It may be considered a vertical friction load with no dispersal?

RE: Surcharge from friction pile on to retaining wall

Quote:

The surcharge onto the retaining wall is from the end bearing capacity of the [friction] pile solely?

No, a friction pile is assumed to have zero end bearing capacity.

I would approach the problem the way PEinc suggested.

Since most friction piles have "some" end bearing capacity, that's a different question.
Answer to that question will depend on magnitude of end bearing and elevation of pile tip relative to elevation of the bottom of the retaining wall, along with the ratio of skin friction to point bearing.

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