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  1. #1
    Join Date
    Oct 2008
    Posts
    1

    Post Hole in foundation

    Have a 3 foot wide and approx. 18 inches deep hole in poured foundation wall cause by rain after wall was poured is this structually safe?

  2. #2
    Join Date
    Aug 2007
    Location
    The Great White North
    Posts
    4,045

    Default Re: Hole in foundation

    I'm trying to figure how this would have occurred ..... was the concrete still in the forms?

    If this happened shortly after the concrete was poured and during the drying stage then the extra water that somehow washed out that section has compromised the strength of concrete.

    Too much water in the mix will dilute the cement and greatly reduce the strength of the concrete mix in that area.

    Also a 3 foot wide and 18 inch tall hole is huge and will require some sort of re-enforcement.

    This sounds like a structural engineer is needed to evaluate the situation and recommend a proper repair.
    "" an ounce of perception -- a pound of obscure "
    - Rush

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