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  • Users: 4Boomers
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  1. 4Boomers

    Anchored sheet pile wall design anchor location

    Is there a rule of thumb, or an easy way to find, the proper location (% of exposed or total wall height) of a singe row of anchor tie-backs for a anchored sheet pile wall? Any thoughts/suggestions would be appreciated. Thank you.
  2. 4Boomers

    Design of Cantilever Solder Pile and Lagging Wall

    Can anyone suggest a reference document with an example of how to design a temporary soldier pile and lagging wall system? Thank you.
  3. 4Boomers

    Vehicular Centifugal force on bridge

    For a bridge structure on a horizontal curve does the centrifugal force result in an additional horizontal force and/or vertical force on the structure. I understand that the force is a horizontal force @ 6' above the deck, but am a little unsure if it results in an additional downward vertical...
  4. 4Boomers

    AREMA Vertical Effect reduction based on train speed

    Does the AREMA Vertical Effect reduction based on train speed apply to Rocking Effect?
  5. 4Boomers

    STAAD "Member Truss" command

    I have modeled a structure as a space frame and now need to identify some members as a truss member. Can this be done by selecting the member graphically and making it a truss member or do I have to go into the input file and identify it there? Thank you.
  6. 4Boomers

    autocadd massprop command question

    Hello All, I am trying to obtain the moment of inertia of built up steel members by drawing the sections in AutoCadd and using the massprop command. When I check AutoCadd's results with hand calcs, it appears that AutoCadd is computing the section properties about at the lower left hand point...
  7. 4Boomers

    Deck Truss Vertical member load

    Is the panel point dead load the same at the top and bottom chord due to a point load placed along the vertical member at a location other than mid Height?
  8. 4Boomers

    Torsional moment of inertia

    I am having difficulty figuring out how to calculate the torsional moment of inertia of a built up steel member comprised of vertical plates, horizontal plates, and angles? Can anyone provide any guidance?
  9. 4Boomers

    Timber crib repair options

    Does anyone have experience in methods to repair timber cribbing with stone in-fill which serves as the foundation of a bridge on mortared stone masonry piers? Some of the timber cribbing has dislodged and deteriorated, resulting in the loss of stone in-fill. Our initial thoughts are to pressure...
  10. 4Boomers

    Snowmobile & Equestrian Bridges

    I am involved in a project involving the conversion of a closed vehicular truss bridge into a bridge to be used by pedestrians, snowmobiles, and horses. Is anyone aware of design guidelines regarding a load combination for snow and snowmobiles/groomers, or bridge rail geometric and applied...

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