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  1. CABaker

    Historical Westinghouse Motor Information

    Thank you all for the responses - that points me in the right direction. Forgive my ignorance on electrical items - I'm a humble structural guy.
  2. CABaker

    Historical Westinghouse Motor Information

    Reaching out to see if anyone has any references to determine the weight of an old 600 HP, 2300V, 151A, 3 Phase Westinghouse synchronous motor. I've contacted various sources at Westinghouse (or their related company today), done a reasonable amount of web searching and have had no luck...
  3. CABaker

    Historical Steel Shape 16x12BR110, or 16BR110 Canada

    Section is definitely not HSS. I'm thinking it was a custom built-up riveted section detailed on a drawing long discarded. I was hoping someone else may have run across the designation previous. I suppose as a side discussion, there is a mis-conception that Canada exclusively uses the metric...
  4. CABaker

    Historical Steel Shape 16x12BR110, or 16BR110 Canada

    Good day. I'm looking for some help on determining a reference for the historical steel shape 16x12BR110 as noted in the subject line. I've come across it from a circa 1953 steel drawing from Canada and the BR is stumping me. Going to the usual sources (AISC, CISC, Bethelehem Steel) I can't...
  5. CABaker

    Slab on Grade w/Radiant Heating

    Does anyone know of a reference that accounts for radiant heating tubes in unreinforced slab on grade design? I'll have 1/2" diameter tubes with 2" cover, but I haven't yet found good information on accounting for them in the structural design.
  6. CABaker

    Guidance on CSA A23.3 - Appendix B

    Yes, a great deal of them are. I did some finite element plate analysis for Cases 1-3, and the ones I did came out elastic. My design case was for Case 9 with and length aspect ratio of 0.85. The 0.072 is about 1/2 of what you get with elastic analysis. I'm past the engineering phase of...
  7. CABaker

    Masonry Design Manual

    Check out Drysdale and Hamid's new book on the Masonry Society website. If those two guys don't know it, chances are no one else does either.
  8. CABaker

    Guidance on CSA A23.3 - Appendix B

    Tabluated information - specifically Table B.1.
  9. CABaker

    Canada Codes

    Yes you do use STS-1, there is no current Canadian equivalent. The code can lead you to some pretty thin shell walls, tread carefully.
  10. CABaker

    Guidance on CSA A23.3 - Appendix B

    I'm trying to get some background information on the tables for two-way slab design (with rigid edge supports) in the Canadian concrete code. I've been searching the usual journal for a direct reference but have come up empty. Does anyone understand the historical development of these...
  11. CABaker

    Chute Design for Soya/Canola

    I'm working on a project which requires a new grain chute to direct grain from a height of about 65'. The grain comes from a ship-unloader and is dumped through a roof hatch of an existing grain storage building. My question is, what is a good reference for such a chute design? Any suggestions?
  12. CABaker

    Angle of Repose vs Angle of Internal Friction

    I'm working on a grain storage/retaining wall problem. I'm dropping soya and canola from approximately 65' above ground level and designing a retaining wall at several locations. What I'm looking for is a good reference for the angle of repose, angle of internal friction, and the effect of the...
  13. CABaker

    Pre-Eng Building Foundation Question.

    Taking the passive pressure into account is not good practice in cases like this. The deflection required to develop the passive pressure force would be in the order of inches. This would mean a deflection at the top of the pier of 3+ inches. If this were a retaining wall, you'd of course...
  14. CABaker

    Pre-Eng Building Foundation Question.

    I'm working on a pre-eng building foundation where the columns will rest on piers 8' about the finished floor. The footings are founded at 5'6 below the finished floor. The span of each building frame is 145' and the shear loads are very high. One option I seen used is to tie the pier to...
  15. CABaker

    Wind on 12" Masonry w/4" Veneer

    20 psf is less than 1 kPa in SI, which is typical in some cases but low in terms of lateral load failure. Is this a URM section? Have you considered 8'' block with a little reinforcement? More and more there is less call for cavity walls, just veneer with a block backup with the backup...
  16. CABaker

    Masonry Retaining Wall - Reinforcing ?

    Definitely keep it to a single bar per cell for ease of placement and grouting purposes.

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