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  1. crawdaddy1983

    Hand Calculation

    dhengr I don't know what it is about blogs but it never ceases to amaze me how rude some can be when they don't have to look across at someone in the face when they type these comments. Nevertheless... Shape of the tower bottom section (TP47.5x39.3138x0.5)- channel size yet to be determined...
  2. crawdaddy1983

    Hand Calculation

    I'm designing a retrofit for a monopole cell tower (steel pole-ASTM A572) using (3) channels attached to the outside of the pole (bolts at 2 ft on center). I'm considering it a column fixed at the base and free at top. I've analyzed in a program and I've determined a moment and shear diagram...
  3. crawdaddy1983

    Monopole Retrofit (RisaTower)

    I am designing to the G-standard. Do you know of a hand calc for QaQs?
  4. crawdaddy1983

    Monopole Retrofit (RisaTower)

    I've got a new one on my plate. I'm trying to work out the best way to design a monopole with channels attached to the outside edge. I have RisaTower but can't seem to find any function for this design. I'm thinking of splitting the tower/channels into 5 ft sections. Using the bending moment...

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