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Re: antenna tower

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Rauf:

I suggest that you obtain the TIA/EIA Standard (ANSI/TIA/EIA-222-F)  which should answer many of your questions. 

Most criteria  for antennas has to do with tower rotation rather than tip deflection.  Actual structural design of a tower is covered in Chapter 24 of the Structural Engineering Handbook by Gaylord and Gaylord.  Another design reference is "Guide for Design of Steel Transmission Towers (ASCE Manual No. 52).

To get a feel for height to width ratios, you might look at Microflect's Self Supporting Towers catalog.


Neil Moore, S.E.


At 04:23 PM 3/22/99 +0200, you wrote:
dear sirs,
i have some questions on

1. allowable tip deflection and the reduction factor for wind speed for deflection calculation (if there is any)
2. distribution of shear forces btw. windward and leeward face for diagonal design
3. range of height/base width ratio

thanks in advance


regards

rauf akbaba/turkey