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  • Users: Lot2Learn
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  1. Lot2Learn

    Light Weight Concrete Mix for Metal Deck

    I am trying to specify light weight concrete for a conc on mtl deck design. Vulcraft has used fc=3000 psi and conc. density of 110pcf. 3” deck with 6.5” total depth with conc. I have three questions: 1) Is 4”+- 1” slump ok? 2) What should be the nominal max aggregate size: 1”, ¾”, ½” or 3/8”...
  2. Lot2Learn

    New CMU on top of exist CMU

    Interior cmu wall, non-load bearing, probably 6” cmu x12’ high but still need to verify. For access purposes they have to demo about half the height and then re-install matching masonry. Since most likely there isn’t going to be any rebar in the wall, I am just going to let them install the new...
  3. Lot2Learn

    Weight of saturated soil

    What is the typical weight of saturated soil. I need to figure out weight of some exterior planters for worst case conditions.
  4. Lot2Learn

    Max. rebar spacing in masnory

    I am designing an interior masonry wall for some lateral load and I have determined that I need very little rebar. Is there a maximum rebar spacing limitation in the code somewhere, because I would like to place the bars @ 72" oc but I have noticed that most engineers tend to place the bars not...
  5. Lot2Learn

    Existing Composite Beam Check

    I was orignally going to post this on the RISA Floor forum but I saw that that place was not very active, so I am posting here to get more help. The question is about RISA Floor. Can I model an existing beam in this software? There are going to be some new loads on existing comp. beams and I...
  6. Lot2Learn

    Vulcarft 2 C Conform

    A little confused about the three load tables they have for this non-composite deck. 1) Max construction load: I understand that, this is supposed to be with wet concrete. 2) Reinforced concrete allowable loads: I understand this one too, this is the capacity after concrete has cured. 3)...
  7. Lot2Learn

    RTU load on existing roof

    New Roof Top Unit load on an existing roof would be considered dead load, right?
  8. Lot2Learn

    Grade beams on pile caps

    Do grade beams have to be deep enough to have bottom/beam below frost depth? Since they are not actually supported by the soil but rather by pile caps, so I was just wondering.
  9. Lot2Learn

    Self tapping fasteners

    Are there any self drilling or self tapping fasteners which would go through a 1/2" or 3/8" thick steel. I need to connect a MC7 with a 14 ga strut.
  10. Lot2Learn

    Workout Room live load

    What would have been workout room live load for a building built in 1968 (midwest region)
  11. Lot2Learn

    SOG Design

    Is there a standrad design method for slab on grade? I need to determine if a 5" SOG will be able to hold a 6"x12' tall non-load bearing cmu wall (all new construction).

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