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  1. jdshiv

    Balcony guardrail wind

    Going a little beyond the original question - what is the general consensus about Code Section 2407.1.1 about "A safety factor of four shall be used." (similar for IBC 2006 and CBC 2007) This seems to apply when glass is used as the structural material, i.e. glass balustrade railings. If...
  2. jdshiv

    Cantilever Column Systems - R Value / Detailing

    I have the same question, myself. Does it perhaps relate to the requirements of what shapes are allowable to use for the columns? For example, you could use HSS shapes for Ordinary, but might be limited to compact flange WF for Special? I am eager to hear what others have to say about...
  3. jdshiv

    Wind load at podium (below high-rise tower)

    WillisV, Thanks for your response. I'm glad I asked the question, since my initial gut feeling turned out to be questionable. I'll definitely use the main tower height to estimate podium wind loads, and will make sure to insist on wind tunnel testing before final design.
  4. jdshiv

    Wind load at podium (below high-rise tower)

    civilperson, FYI -- "Podium" in architectural/structural vernacular refers to the base of a tall building, generally wider than the tower footprint and much shorter. Try a google search for "skyscraper podium" to see examples.
  5. jdshiv

    Wind load at podium (below high-rise tower)

    clarification: There were two related previous threads, the one in my original post was a slightly different question about a gym that pops up above a sprawling low roof. The recent thread about roof parapet & penthouse height was: http://www.eng-tips.com/viewthread.cfm?qid=224229&page=3
  6. jdshiv

    Wind load at podium (below high-rise tower)

    Does anyone have suggestions about how to use Method 2 to determine C&C wind load at the roof of a podium? Assume 60' tall podium on two sides of a 600' tall office tower, roof area of podium roughly equal to tower area. There is a debeate in our office about what mean roof height to use for...

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