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  1. LonnieP

    Miami Pedestrian Bridge, Part II

    Tom, got that from the side view rendering. Failure occurred at the end diagonal with the lessor internal load. curious.
  2. LonnieP

    Miami Pedestrian Bridge, Part II

    Just can't resist getting my 2 cents in on this one. Question, was this concrete bridge cast monolithic, or are there some construction joints somewhere. I'm guessing each of the truss diagonals are individual members who's ends don't fit PERFECTLY together, maybe leaving small voids inviting...
  3. LonnieP

    Stud Wall Stability With Scissor Truss

    Suggest you specify the maximum "spread" you are willing to accept and let the truss designer work it out.
  4. LonnieP

    How to Deal with an Inclined Rafter

    Don't forget to multiply the dead load deflections by 2 to account for long term creep. See appendix in NDS. If the roofing has a uniform pattern, like flat concrete tiles, any code maximum deflections will be clearly visible.
  5. LonnieP

    6m Deep Basement

    Clarke, don't forget to review the floor slab for boyant uplift and provide adequate slope and a pump sump for the incidental leaks that are certain to happen. Take care with the floor to wall joints. Like it or not, you're now a marine engineer. Don't count on the 4m water depth either. Once...
  6. LonnieP

    NDS Size Factor, CF

    Archie, the stress increases (Cf) goes way back to the In-Grade-Testing program done by the lumber association. Back then most engineers specified a minimum lumber grade on their plans (such as Douglas Fir #1 or better) and didn't go much further than that. Then someone mentioned that the Glu...
  7. LonnieP

    Tongue & Groove CMU

    Are you thinking mortarless block? Might need to reduce "d" if mortarless.
  8. LonnieP

    EXCEL templates for page setups

    Yes, it's possible, and much, much more. Maybe after the first of the year the two of us can get some of the Visual Basic guys to help us set up a "killer" standard form. I've been running something I'm sure you'd like in Lotus for over 20 years. Now that I've retired I've been fiddling with...
  9. LonnieP

    Rigid Diaphragm Analysis

    Coolad, I suggest you talk to the 'T' manunfacturer's engineer first thing. He has probably seen your situation before and can offer suggestions, AND he wants to make a sale so he should be more than helpful. If you're in a high seismic area don't forget about wall anchorage and cross building...
  10. LonnieP

    Beam Deflection / Serviceability Limits using ASD

    Rudy, There's not a simple answer for deflection, especially with wood members. First off, wood members creep under dead load. Wet lumber creeps more than low moisture material and seasoned lumber creeps even less. Even Glu-Lams and Web Joists creep. Most engineers apply a factor of between 1.5...
  11. LonnieP

    Damage by Electrical Contractors

    This a good object lesson for the younger engineers out there. Just because you're a structural engineer doesn't mean you don't need to be aware of what the other trades need to do. We had a long skinny two story school building with the electrical and IT rooms on one end. Contractor elected...
  12. LonnieP

    Uncommon Type WWF As Calculation

    I think (back in the 70's) the #1 & #8 were wire sizes, not rebar sizes. Check with other grey hairs to make sure. LonnieP
  13. LonnieP

    roarks formula confusion

    A typo maybe? Section modulus should be B*T^2/6. Maybe the '/6/ got left out. Is his answer correct? LonnieP
  14. LonnieP

    Hot key anomoly?

    One of the files got lost. Sorry - see attachment.http://files.engineering.com/getfile.aspx?folder=d7b5cbdf-97b8-4ba9-8b7a-52c9605ba26a&file=CalcBlox-dir.xls
  15. LonnieP

    Hot key anomoly?

    I've decided to change my hot keys from CTRL + ? to CTRL + SHIFT + ?. The intent is to get away from the usual CTRL + ? hot key combinations most Excel users have gotten used to. I've found a problem. Attached are two Excel files (CalcBlox-dir.xls and Loadings.xls). Each have macros and should...
  16. LonnieP

    Excel END HOME problem

    Doug, Yeah, I found the answer when I was documenting the code. I think I got it right. Sub SetPRange() ' Author - Doug Jenkins, Interactive Design Services ' Create a range named "PrintRange" with the top left cell in the correct position Dim NumCells As Variant, PRange As Range, StartRow As...
  17. LonnieP

    Excel END HOME problem

    Doug, your code works perfectly. Even massaged it to trim the PrintRange to column 'R'. One question - how the heck did you set the upper left corner at 'A8'? Even when I run it from column 'B' it still returns the range starting at 'A8'. Seems like there should be something that sets Row = 8...
  18. LonnieP

    Excel END HOME problem

    Denial, Jackpot! Deleting entire rows seems to be doing the trick. Looks like I've got some kind of global format going because when I deleted 100 rows the END HOME went up 100 rows when I saved and re-opened the sheet. I moved everything to another sheet anyway. Thanks for the tip. LonnieP
  19. LonnieP

    Excel END HOME problem

    Doug, Looks like 'usedrange' has promise. Is there some way to lock the upper left corner on cell A8? I can use 'resize(0,-y)' to 'move' the right edge, it just doesn't work on the top of left edges. LonnieP
  20. LonnieP

    Excel END HOME problem

    Yes, done all those, except moving all to another 'good' sheet. Sounds like I shouldn't/can't use END HOME! Anyone have a method/macro that will get to the occupied bottom of a sheet? LonnieP

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