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  • Users: GarthJ
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  1. GarthJ

    Steel Bin Retaining Walls

    I would appreciate it if anyone could recommend references (books/articles) for the design of steel bin crib walls. Also, please see the attached picture. It shows the buckled flange of a Type II bin wall vertical connector. Has anyone seen this sort of thing before? I'm not sure of the...
  2. GarthJ

    Steel Plate Girder - Shear Tension Field Anchorage

    I'm checking a steel plate girder for shear. The code indicates that the tension field in a transversely stiffened plate girder is not normally anchored at the end panel so Ft=0. If the beam being checked is framing into the side of a larger girder with a double angle web connection would the...
  3. GarthJ

    Rivetted Steel Plate Girder - Shear Check

    I am checking a riveted steel plate girder that has transverse angle stiffeners. When calculating the web shear area Aw should the hole areas in the web at the stiffeners be subtracted from the gross web area to determine shear capacity?
  4. GarthJ

    Setting Piles into Rock

    In a situation where HP piles are required to be driven through a few layers of soil that are not likely to offer a lot of friction resistance and then set onto bedrock. The rock is likely to slope so the piles will have Titus shoes. What setting/refusal criteria should be used? How should...
  5. GarthJ

    Railway Surcharge

    I am designing a soldier pile cofferdam (25'x30' plan dims)directly under some railroad tracks. The tracks will span across the cofferdam on a temporary bridge. There is no question that the full surchage (2000 psf for Cooper E80) must be applied to the sides of the cofferdam that are...
  6. GarthJ

    AREMA - Apparent Earth Pressure Diagram

    I am trying to apply the "Apparent Earth Pressure Diagram" in Figure 8-28-2 of the AREMA Manual for Railway Engineering. The diagram is a trapazoidal shaped pressure diagram for a multi prop temporary wall. The diagram has a formula "F(H+SC)" to define the maximum pressure of the trapazoid...
  7. GarthJ

    Earthquake Modeling

    In a building which has some levels below grade the ultimate level of footings would be, of course, at the basment level. The soil around the basment would have, potentially, a large impact on providing restaint against lateral earthquake movement. I'm wondering how others have modelled the...

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