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  1. Structuralist

    Wood Top Plate Capacity

    Ingenuity What you say has merit, but why would you discount the connectors - 16d nails which probably have more value in shear based on splice requirements in the code, than the boundary nailing of most residential plywood diaphragms will develope over the entire lenth of the wall. My point...
  2. Structuralist

    Software for Structural Design of Dwelling Houses

    There are only three commercially available programs that I am aware of. Actually two - one of them is free and is a spreadsheet that I designed with another engineer and donated to the public domain for others with spreadsheet knowledge to improve upon and contribute. AF&PA Woodworks 2002 is...
  3. Structuralist

    Wood Top Plate Capacity

    Adam, I mentioned this in my last post and I think Buddy will agree - a beam acting in bending will consider the neutral axis as free to slide (most conservatively). Consider heavy timber beams which have a tendency to split parallel to grain along the neutral axis but we don't consider them to...
  4. Structuralist

    Wood Top Plate Capacity

    AdamP I commonly have conditions in wood framing where the studs are at 16" on center and the roof trusses are at 24" o/c. Ideally, only every third truss aligns with a stud that would cause the plates to be in bending. Here are some thoughts: 1. Treat the double plate as a 3x member...
  5. Structuralist

    In-house quality control of spreadsheets

    Bylar, There is no question that I am long winded - a friend once wrote publically that I tended to be verbose. I am a fast typist and although this isn't an excuse, I find that it is easier to explain myself fully rather than leave questions as to my intent. As to your comment on my website, I...
  6. Structuralist

    In-house quality control of spreadsheets

    Again, no argument. There is simply no reasonable way to control the use of a tool and to prevent it from being misused. As long as engineering software is available, non-professionals will purchase it with the belief that they can absorb the cost normally paid to their consultant and increase...
  7. Structuralist

    In-house quality control of spreadsheets

    Jae, I have absolutly no argument with your reply - in fact, I agree with you entirely. I do have a few comments to show how a cybrary can be effective and productive and I offer these to you: 1. The majority of professional engineers do not have the ability to write their own routines...
  8. Structuralist

    How can I design a 2 story house?

    My first question is - are you a professional engineer or Architect and have you taken courses in Statics and Strength of Materials (as well as experience in the field as an apprentice) to understand the principles of mechanics. If the answer is no - then the the information you need can be...
  9. Structuralist

    EXCEL Spreadsheet Library ?

    We are building on a number of free templates for Excel, Mathcad, TEDDS, AutoCAD (and DWG compatible programs), VBA and even searching for free office tools such as Sun Microsystems free for download ($39.95 for documentation and CD-Rom mail order) replacement for MS Office Professional called...
  10. Structuralist

    In-house quality control of spreadsheets

    I have been compiling various productivity spreadsheets from the structural engineering community and posting them on my own professional bulletin board discussion forum (Software productivity forum). The most elaborate of our spreadsheets is called Multi-Lat which was written after the 1997 UBC...
  11. Structuralist

    Non Destructive Testing of Structures for Seismic Compliance

    There are numerous ways to interpret the original message: I have been involved with the retrofit of Unreinforced Masonry buildings in California for many years. There are test methods to determine the stength of the mortar (in-plain shear testing) where a brick is removed an a piston is placed...

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