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  • Users: acer49
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  1. acer49

    NOAA Atlas 14

    Does anybody know why the site is down and or another place I can get point precipitation frequency estimates?
  2. acer49

    Concrete Pier Foundation Cracking

    What can cause this type of cracking? My first guess is lack of adequate shear reinforcement or some eccentric loading based on the anchor bolt/column configuration. The piers were constructed in 2009 and designed by someone else. Piers are 5'-0" in diameter with #4 ties at 12" O.C. vertical...
  3. acer49

    Slump and Air Content tests yielding different results at beginning and middle third.

    Link Going back to this thread and I had an issue on site with the Contractor, Concrete Testing Agent, and Concrete Supplier/QC person while on site. Our specification states we need a MINIMUM of (1) test for slump and air content per ASTM guidelines which state to perform these test in the...

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