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  • Users: dflva
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  1. dflva

    AISC 329-09 Detailing for Steel Construction

    OP, Design of Welded Structures, Omer Blodgett (1966) still relevant too.
  2. dflva

    ACI Shear Strength Requirements

    For the good of all of us, please charge the owner for this remedial investigation . . . not to mention remedial design. Not your fault. If I call for one tie too many to try to head off a Contractor problem like this, I get hammered.
  3. dflva

    Stamping plans for welded Ibeam building?

    I like your can-do approach, but when the finger pointing starts with this convoluted scheme I suspect your building will be every bit of 12-16 weeks out.
  4. dflva

    Concrete Masonry Bearing Walls 12" to 8" transition

    Who on the project team wants to do this? How does placing the joists directly opposite one another on either side of the wall help the project? Chances are this doesn't work out over very much of the floor area anyway because of openings in the slab. Are the joists exposed to view? Is this...
  5. dflva

    Wind load on a Retaining wall

    Yes, consider anything doweled into the top of the wall an extension of the stem.
  6. dflva

    Can bend beam Rebars 90 deg vertically inside lift wall instead of straight towards wall?

    This is for the Engineer to decide.
  7. dflva

    Wind load on a Retaining wall

    It sounds like you have a 3m tall CMU sail over the stem of the conc retaining wall. I would dowel the CMU into the top of the wall and apply wind loads. If you want to use the intermittent (concrete??) columns, perhaps the CMU can be supported on three sides using bond beams within the CMU...
  8. dflva

    contractor not following plans... at all

    It sounds like the Owner placed your drawings on the shelf and sometime between 2021 and now commissioned a new design. How do you know that they are building from your design at all?
  9. dflva

    Macombie steel joists

    Perhaps the manufacturer is Macomber? Search the site - there are a number of posts.
  10. dflva

    Foundation/Helical Pile Contractors

    If this exercise is for pricing, I think the Contractor and the Engineer could work for the buyer. If the objective is to perform construction at the property, the Contractor can't work for the buyer - he doesn't own the property!
  11. dflva

    PEMB continuous footing to resist sliding

    I have designed foundations for a handful of PEMB projects. I have not considered the continuous footings adjacent to the spread footing in resisting sliding, but I agree there is some legitimate amount of contribution. Determining a reasonable limit on the effective length of footing is a...
  12. dflva

    Technical drawing reviewing too time consuming?

    OP: Agree, checking shop drawings can be somewhat boring, but it is very important as clearly explained above. In going from school to work you may have been caught off guard by the shop drawing review portion of the job. Not every aspect of working in an office is previewed by a course at...
  13. dflva

    Pipe attachment to brick veneer

    I like NorthCivil's idea of connecting to the shelf angle.
  14. dflva

    RETAINING WALL FOUNDATION AT DIFFERENT LEVELS

    The change in elevation shown in Option 1 is too large for a single step. Step the foundation down using two or three steps along the length of the wall.
  15. dflva

    16" vs 8" bond beams

    I'm sure you're right about the architect being mad. I suspect this is due to eliminating the joint at 8 in. above opening.
  16. dflva

    Existing glass block above window - need fast lintel ideas

    In your second photo, there is a thin horizontal white band between the glass blocks and the top of the window frame. What is that? Perhaps it is a steel plate with hangers placed between the glass blocks?
  17. dflva

    Raised concrete pads under mechanical equipment

    Use a concrete pad for equipment anchorage. Anchors can be set in fresh concrete of pad using a template. Tie the concrete pad to the slab with reinforcing steel. Akin to using a conc pedestal between a footing and a steel column base plate. Also to accommodate long anchor rods a concrete...
  18. dflva

    Spreadsheets Vs Software

    I would prefer the software product. However for transparency I prefer Mathcad worksheets that I write myself. I've also done a handful of decent C (not C++) programs for more complex problems. I've never understood why someone who is capable of writing wiz-bang Visual Basic code (btw I'm not)...
  19. dflva

    Basement Retaining Wall - Sliding

    I agree with XR250. I provide one layer of building paper (30 lb roofing felt) on vertical surface (face of wall, etc) as a bond breaker. I have seen a slab stick to the wall (over about a 3 ft length) and cause a shrinkage crack (also 3 ft long) parallel to the wall about 1 ft out from the...
  20. dflva

    Stair Nosing Bar - Conflict w/ Recessed Step Light

    Eliminate the 3/4" x 1" dirt collector at the bottom of the riser and lower the light box. You need more concrete over the light.

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