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2-story Retaining Wall on Drilled Piers

2-story Retaining Wall on Drilled Piers

2-story Retaining Wall on Drilled Piers

(OP)
For a 10 story parking structure (2-stories underground) founded on drilled piers, I am recommending the use of a single line of drilled piers under the retaining wall and column pilasters in order to prevent differential settlement.  

Any thoughts?

RE: 2-story Retaining Wall on Drilled Piers

Drilled piles are commonly used for deep foundations, so I don't know specifically why you are asking.  Use the drilled pile solution under the whole structure.

RE: 2-story Retaining Wall on Drilled Piers

(OP)
For a piled foundation under retaining walls I have typically seen it detailed with two rows of piles under the retaining wall (a concern for rotation I believe).  I didn't think an additional row of foundations is appropriate and the rotational concern can be ruled out.

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