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Thickness of Concrete Seal in Cofferdam with Tension Piles

Thickness of Concrete Seal in Cofferdam with Tension Piles

Thickness of Concrete Seal in Cofferdam with Tension Piles

(OP)
thread256-285729: Cofferdams Seal Slabs - Your opinion

Better late than never:

On one of our projects in east New Orleans, with a positive connection (shear keys welded to the piles) between underwater concrete seal and piles, a 5-foot concrete seal had no problem resisting at least a 33-foot head.

RE: Thickness of Concrete Seal in Cofferdam with Tension Piles

Yes, but the seal alone did not resist your uplift.  The load was transferred to the sheets and piles.  Your concrete just needed to resist the upward pressure, between the piles, in bending and shear.  You did not have the same situation as the previous thread.

www.PeirceEngineering.com

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