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Recent content by BSVBD

  1. BSVBD

    Compression Perpendicular to Wood - Sill Plates

    I've read a 2018 and a 2019 thread, which were both helpful, BUT... did not touch what I've been wondering since my curiosity originated over a decade or two ago. In general wood frame commercial and multi-family residential construction, I frequently specify that supporting shoulders of...
  2. BSVBD

    CMU - Bond beam reinforcement minimums?

    dold... Thank you... I agree... I understand... I "catch your drift"... I also appreciate you bringing up the tall wall stairs and use of horizontal spanning to perp walls, not ONLY in stairs, but, multiple similar scenarios! Good (related) point! lexpatrie's (OP) ending statement mentioned an...
  3. BSVBD

    Aluminum

    dvd... Yes! I provided the loadings. No! I did not make that the responsibility of fabricator. It seems inevitable that respoonsibility always comes back to either the architect and/or engineer! phamENG... Yes! Agreed! Thank you!
  4. BSVBD

    CMU - Bond beam reinforcement minimums?

    bIockhead... I agree with everything you stated EXCEPT.. that expression, "to tie it all together" is what I have heard too often! While I can agree that the horizontal bond beam rebar "is nice", it can ONLY provide a MINIMAL, diaphragm-type lateral support action... "kinda"... for only a FEW...
  5. BSVBD

    Aluminum

    Thank you ALL for your replies! BECAUSE of your replies, I am only providing miscellaneous detail drawings waiving EVERYTHING and specifying the following... 1) Structural aluminum angle, flat bar and plate shall comply with an ASTM specification as determined by Fabricator. Architect or...
  6. BSVBD

    Fall arrest anchors on wood trusses

    I believe, as as typical, we've wandered far beyond the OP intent and, also, answered the OP inquiry? RontheRedneck... is that correct? Have we assisted in providing an answer for your situation? jayrod12... what difference is the roof pitch? ARe you referring to construction application...
  7. BSVBD

    CMU - Bond beam reinforcement minimums?

    lexpatrie... Although we (both) SHOULD know what the ratio of reinforcement should be for CMU, due to me only having an ancient "1999 Masonry Standards..." rather than a "Building Code Requirements" for Masonry, referring to my ACI 318, and applying interpolations relative to the differences...
  8. BSVBD

    Aluminum

    I've been asked to design an ALUMINUM cross-over ladder "structure", with bar-grate platform. In over 30 years, I've never "done" ALUMINUM! Where do I obtain Design Values for Aluminum? Is there a "PROPER" ASTM I should comply with? B308-6061-T6? 4047? 2026? The 6-page 6061-T6 "Standard...
  9. BSVBD

    Fall arrest anchors on wood trusses

    See OSHA 1926.502 attachment... (hopefully it worked... let me knoow if not) +/- once every other year, I need to address a Fall Arrest "situation". "ALL things considered" (in other words... to "Keep It Simple"... omitting more than we really need / want / decide to know or conclude)... to...
  10. BSVBD

    Partially Encasing an Already Installed Column in Concrete

    nick... I like your detail. It certainly helps understand and visualize! The ONLY concern I would have is the debonding agent. I don't see how a +/-(1) MIL layer of agent would prevent the inevitable movement of the steel column and, perhaps, the bracing, to come into crack-potential contact...
  11. BSVBD

    Residential beam sizing for deflection

    I've commonly heard it said, that the structure neither knows nor cares if it's residential, commerical, industrial or other! Yes! It's YOUR home! Be satisfied in the end! I would design for LL Deflection of L/600! If you need to bump down, you could add pseudo wood or drywall/plaster beams...
  12. BSVBD

    Partially Encasing an Already Installed Column in Concrete

    nick.n... Regarding the Steel Columnn contact with concrete, you could use a necessary thickness of expansion joint material between steel column and concrete (slab I presume?). For the rest... Perhaps you can provide a detail? You say, "extend the block as far as it needs to go to have the...
  13. BSVBD

    TJI - ForteWeb - Lateral Bracing

    ForteWeb TJI Software by Weyerhauser For decades, I understood that TJI's, in general, do not require Bottom Edge Lateral Bracing throughout the span(s), even at mid-span. The Weyerhauser website states... Trus Joist® TJI® joists are made with no observable twist and have minimal material...
  14. BSVBD

    Crane Lateral and Longitudinal Loads

    Top Running Single Girder Crane (1) Bridge, (1) End Truck (each end of bridge), (2) 13K Wheel Loads at (1) End Truck, (2) Wheel Loads on (1)/(Each) Runway Lateral Loads are 20% of wheel loads = 0.2 x 13K = 2.6K Lateral Load Logitudinal Loads are 10% of wheel loads = 0.1 x 13K = 1.3K...
  15. BSVBD

    steel/concrete stacked columns

    The "8" wide (nom) column", as you stated APPEARS to be a continuous wall. NOW I see the the "NOTCH" and "BEARING" notes, on your detail, that makes me understand that the precast is bearing on the concrete wall. My oversight! How are you anchoring precast plank ends to concrete wall...
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