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  1. SMR8611

    Is Gravel Backfill Lighter?

    Hi Folks, I am designing a PWF and have a couple of questions regarding the backfilling. In the Preservative Wood Foundation Design Specification, the average backfilling equivalent fluid pressure is given as 30psf/ft. 1) How's this number (30psf/ft) derived? 2) Is gravel only backfill...
  2. SMR8611

    Live Load Pattern RISA Software

    A bit time-consuming but it is what it is! Thanks for your reply! :)
  3. SMR8611

    Live Load Pattern RISA Software

    Does anyone know how to generate load combinations with pattern load for snow or live load? I assume, RISA Floor is doing that but I can't find it in RISA2D or 3D. Any thoughts? Appreciate your response!
  4. SMR8611

    CSA S6 Butt Joint Stiffness Factor

    There is this NLT design guide. https://www.thinkwood.com/products-and-systems/nltguide Keep in mind that some reduction factor are not correct. This guide it taken from some European research and the redaction factor for butt jointed lamination are too high in some cases it reduce the...

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