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  1. MTJJ

    Soil included in .6D of load combination?

    my thoughts, 0.6 for the dead load and soil cone with no factor of safty for overturning, 30 degrees for the soil angle (maybe 45 if I was desporate like a crack addict and had a good geotech dealer). Allowances for footing "suction" is pretty wild and not designing anchor rods for the 0.6D +...
  2. MTJJ

    Torsion of flexible diaphragms

    I think some of the trouble you are having is that software really doesn't model flexible diphrams correctly, (or atleast not how it would be done traditionaly with paper and pencil, ie. "Semi-Rigid" is not flexible in any software package). And as always there is no such thing as a turly rigid...
  3. MTJJ

    New concrete beam between existing concrete beams

    Could you place the equipment on a grid of steel beams on top of the slab? Elminates a lot of the trouble of modifcations.
  4. MTJJ

    WF BEAM SUPPORTED BY WOOD HEADER

    My understanding is that steel supported on wood is allowed (but frowned upon) if you account for long term creep and defletions of the wood support. Masonry supported on wood is generally not allowed, but there are certain exceptions described in the IBC.
  5. MTJJ

    Log Cabin Construction Standards

    Try ICC 400-2007 Standard on the Design and Construction of Log Structures
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