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Congratulations waross on being selected by the Tek-Tips community for having the most helpful posts in the forums last week. Way to Go!
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Base Plates/Anchorbolts
I call for levelling nuts to be used to allow the contractor more control in making everything plumb. As for the hole diameters, I only call for the sizes stipulated in the AISC code (US). I have worked with other engineers that used different sizes than the AISC chart; however, this chart...- sjohnAM
- Post #6
- Forum: Structural engineering general discussion
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Blast Design - Pressure, Duration, Impulse
The natural frequency will play a large part. I think it's td/Tn that will tell you what will happen with the member. If that ratio is over 0.5, then the maximum displacement will occur during loading; otherwise, the maximum deflection will be the same as the member rebounds, without damping...- sjohnAM
- Post #2
- Forum: Structural engineering general discussion
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City Site Plan Requirements
I have had this problem several times before in dealing with City officials. The usual circumstance is that the City missed the fire requirement on the approved subdivision plat, or a new code was adopted after the subdivision was accepted by the City. If the code is the same, then the City is...- sjohnAM
- Post #10
- Forum: Civil/Environmental engineering general discussion
