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Recent content by sean2000

  1. sean2000

    Retaining Wall 2 ft from Rock

    Civilperson, Perforated pipe and weep holes will be used to ensure good drainage, I think water will not be a issue. Please correct me if I'm wrong. thanks Sean
  2. sean2000

    Retaining Wall 2 ft from Rock

    Jeff, The site soil condition varies a lot, in some area there are just silty clay. So we need a long wall with different design considerations. Thanks
  3. sean2000

    Retaining Wall 2 ft from Rock

    Jeff, it's a retaining wall for a parking lot, Height varies from 10 ft to 24ft. Top of wall will not be restained. The rock is weathered sand stone. Also I am interested to know what if it's undisturbed solid rock? Thanks
  4. sean2000

    Retaining Wall 2 ft from Rock

    I need to design a retaining wall 2 ft away from a vertical rock surface. Do I use the full 40 PSF equivalent fluid pressure (for granular fill and good drainage) or I can use a reduced load. I know theoretically fluid pressure is only related to height and not related to width or volume. But in...
  5. sean2000

    Force transfer around openings

    My understanding of the perforated shear walls: 1. each segments of the shear wall you count for shear capacity still need to meet the required 3.5:1 ratio. 2. the whole idea of perforated shear wall is to reduce the hold down anchors. these hold downs could we huge and expensive. 3.the...
  6. sean2000

    Shear wall allowable capicity using staples as fastener.

    Thanks for the information, SperlingPE
  7. sean2000

    Shear wall allowable capicity using staples as fastener.

    IBC provide allowable shear for panels with 10d or 8d nailes. Anyone know how to define the capicity of panels with stales. Thanks.

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