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  1. WarrenS

    metal deck diaphragm

    There are concrete walls that are tilted, some up to 23 degrees. The completed concrete walls are currently shored to keep them from falling over, but the shoring posts need to be removed to complete the intermediate floors.
  2. WarrenS

    metal deck diaphragm

    Hi there We have a structure where a composite metal deck is to be used as a diaphragm to accommodate design lateral loads. However, prior to placing concrete, the metal deck alone will be used as the diagphram to accommodate construction lateral loads. Unfortuneately, we can't find any...
  3. WarrenS

    soil lateral surchage pressure

    Thank you for the feedback. I think my biggest hangup was coming from my old California Trenching and Shoring Manual. It used Boussinesq for strip loads and building footprints adjacent to a shoring wall, then used kQ for area loads... but didn't suggest at what width a wide strip load becomes...
  4. WarrenS

    soil lateral surchage pressure

    all good. thank you very much
  5. WarrenS

    soil lateral surchage pressure

    That makes sense. I'm just hung up on the mathematical dilema presented by the Boussinesq formula as I have no definition on what it's limitations are: ie: consider a uniform surcharge on top of the soil. The maximum lateral pressure at the top of the wall is kQ Alternatively, consider an...
  6. WarrenS

    soil lateral surchage pressure

    Thank you escrowe... I was more referring to the relation of the formulas for lateral pressure induced by a uniform surcharge pressure versus a strip load surcharge. From what I've read, the lateral pressure induced on a retaining wall by a uniform surcharge pressure = kQ (where k =...
  7. WarrenS

    soil lateral surchage pressure

    Hi there Are the lateral pressures calculated from the Boussinesq equations (for point and line surcharge loads) applied with active and passive pressure coefficients when designing a retaining wall... or are the numbers obtained from the Boussinesq equations absolute values? Thanks W

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