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Recent content by ctm

  1. ctm

    100% vs 90% Wood Roof Truss Web Bracing

    On gable end prefabricated, light weight, metal plate connected wood roof trusses, some designers require 90% of the web height "L" braced except where it is a scissors requiring 100% (ie, notching the bracing at the top and the bottom chords). Why the 100% vice the 90%?
  2. ctm

    Shortening A Tall Masonry Wall

    dik, I was hoping to treat the reinforcing in the bond beam and the shear wall end anchorages as security against lateral movement. carlbauer, The beam does run along the length of the wall. I was doing this to make a wall more contractor friendly without changing any of the wall externals...
  3. ctm

    Shortening A Tall Masonry Wall

    Can I insert an intermediate poured concrete bond beam at the mid height of an exterior reinforced concrete masonry block wall and proceed to design the wall for lateral wind, not axial gravity, as two walls of height h/2 each? I would use different axial loads on each and would use the unity...
  4. ctm

    Augered Piles

    Please advise where can I find information on the characteristics, performance, and design of augered cast-in-place concrete piles for elevating a residence type building
  5. ctm

    pile design

    Ronster, Thanks much for your help. Since I'm working with precast concrete piles and can get a moment capability way beyond what I would need for the slab transfer moment and the lateral flagpole moment, I take it that I'm really limited by the lateral capability of the soil pile interaction...
  6. ctm

    pile design

    How are the allowable lateral load and the allowable moment on a pile related? This question arises from a pile elevated flate plate design. Since no shear walls are being used below the slab, the piles must handle the lateral and moment producing wind load as well as the gravity produced moment...
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