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  1. philhelf

    Software for underground concrete tank design

    just now remembered this site http://www.id.nrcs.usda.gov/Engdwnld/spreadsheets/concwall.xls [2thumbsup]
  2. philhelf

    Piles going deeper than expected

    I had a INDOT project driving piling for a CSX railroad bridge and the H12 x 53 piling went deeper (30' total) that planned.(20') Of course we were paid by the foot so no loss to us. The aluvial soil did not give the friction needed. Whenever possible we always drove the piling to refusal. (OK...
  3. philhelf

    Retaining Wall without heel and toe

    Thanks to all of your comments. The rock is already excavated, and is very competent. The wall will separate a driveway from the back yard, but to have a level yard, the wall needs to be about 10'. The backfill will only be about 6 feet wide against the excavated rock and the wall. The wall...
  4. philhelf

    Retaining Wall without heel and toe

    I am considering a retaining wall without the heel and toe since it will be on solid limestone. Can the anchor steel be sufficient for overturning and can the rock be considered as an infinite footer? Wall height will be about 10'. Plan on using epoxy grouted anchor bars.
  5. philhelf

    Software for underground concrete tank design

    IES has a 30 day trial 'Analysis Group' module which has concrete tanks in its menu. www.iesweb.com
  6. philhelf

    Using Fly Ash to Decrease Seepage Rate In Pond

    We had leaks in a settling pond for a coal wash plant. We put a dye into it so we could find the leaks, then later, we used bentonite which sealed the leaks fine.
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