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Recent content by shepherd

  1. shepherd

    Designing a boat dock and boat house

    I would recommend google search design of piers and wharves. ASCE and UFC has several documents that may be a good starting place. Pile Buck International offers some marine construction/design guide books that may also be helpful.
  2. shepherd

    Concrete Shear (ACI)- Historical (1950)

    BA, Was there a minimum steel area stipulated in order to use the increased allowable stress? In looking through "Structural Renovation of Buildings" by Newman, he mentions the 1947 code allowed a stress .02f'c and allowed a stirrup spacing of d. He goes on to reference a Concrete...
  3. shepherd

    Concrete Shear (ACI)- Historical (1950)

    larsacious, I recall seeing an article that had mentioned the unconservative shear values, but wasn't able to put my finger on it. Thanks,
  4. shepherd

    Concrete Shear (ACI)- Historical (1950)

    In looking at many older concrete structures, it seems to be very common to see stirrup spacing on the order of the member depth. I've generally ignored any contribution of these stirrups since they would not intercept the assumed 45 degree failure plane. A couple of questions to anyone who has...
  5. shepherd

    Problems!

    If you are not requiring the column to develop flexure for lateral load resistance, you could detail it as it's designed. Let the beam pass over the column and stack the column above. Likely to require beam web stiffeners, but the acutal beam and column sizes will not change.
  6. shepherd

    Maximum brick height over concrete foundation?

    Here's a copy of a response we've recieved in the past by ACI "Section 6.2.2.3 of ACI 530 regulates the vertical support of anchored masonry veneer. Section 6.2.2.3.1.2 and Table 6.2.2.3.1 limit the height of the veneer above noncombustible foundation. An exception is given for veneer with a...
  7. shepherd

    Metal Stud Shear wall

    If you have the option, there are also proprietary brace connection assemblies. The steel network has some that will give you that capacity.
  8. shepherd

    allowable shear in glass?

    The GANA glazing manual is one thought. I'm not sure if it addresses your particular problem (I switched companies and no longer have it). I know it does have a lot of good glass design info and may be worth a try. http://www.glasswebsite.com/publications/default.asp
  9. shepherd

    Corrugated Steel Arch load carrying capacity?

    try the following link. specifically chap. 7 http://www.ncspa.org/images/08BLBK1.pdf
  10. shepherd

    Tube Moment connection to face of perpendicular tube

    AISC 13th edition K2.3e may be what you're looking for.
  11. shepherd

    Lateral soil pressure between basement and soil nail

    Thanks for the idea. It just appears uneconomical to construct three separate walls, and I'm sure it would raise some eyebrows with the owner. I believe before we would do that, I would propose putting a coupler on the end of the soil nail and extending into the concrete basement wall for...
  12. shepherd

    Lateral soil pressure between basement and soil nail

    We are involved in a building project with a sloped site that has grades in the 1.5:1 range. The preliminary proposal for handling excavation on the up-slope side is to excavate using soil nailing, and then place a basement wall approximately 10 feet in front of the soil nail wall. The soil nail...
  13. shepherd

    Yielding in Bearing

    that should read semicircular not hemispherical.
  14. shepherd

    Yielding in Bearing

    Not sure about your detailing, but you could perhaps weld hemisphereical plates (with the pin diameter) on each exterior face of the plate with a beveled edge to match the pin angle.
  15. shepherd

    Site Inspection for Apparent Snoe Drift Issues

    I would state in the written report what I was looking at. I also would include some language like: my scope of work was .... My site visit can not be construed as a complete inspection of the structure as a whole....

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