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  • Users: pettus71
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  1. pettus71

    External Force on Tank Shell

    thread1452-332421 I am designing a platform support bracket which will attach to a thin-walled tank. Can anyone offer alternative methods other than the one's listed in Soln's post referenced above? Soln, were you ever able to find a credible source for an alternate design method? Thanks in...
  2. pettus71

    ASCE 7-10 Tank Wind Loading - Fig. 29.5-1: D/SQRT(qz)? OR D*SQRT(qz)?

    All, I am trying to get the wind loading for a tank. In ASCE 7 (past and present) it appears in Figure 29.5-1 that the designer is to multiply D*√qz. However, in a reference webinar I was looking through he divided D/√qz. I have attached a screenshot of the webinar example. So should I divide...
  3. pettus71

    Metric Sizes for ASTM F1554 gr 36 Anchor Rods

    I assumed the F1554 anchor rods would be available in either imperial or metric sizes (using the F1554M designation). However, we just shifted from using imperial anchors in our project to metric sizes and after some research I can't seem to find any metric sizes available. Am I missing...
  4. pettus71

    0.6D+W Load Comb and 1.0 Factor of Safety

    This old thread deals with an internal discussion we are having in my office currently. thread507-202887 In the referenced thread, WillisV states the 0.6D+W combination for overturning assumes a 10% over-estimate in the gravity load (0.9D). Does anyone have wisdom or guidance as to where this...
  5. pettus71

    Recommended Online Structural Engineering Schools?

    I have been working as a structural engineer for several months now. I am considering going back to school online to get my master's degree in structural engineering in order to gain a better understanding of my work. Can anyone recommend a reasonably priced school which has a good online...

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