In a message dated 98-04-17 09:03:59 EDT, Jari.Jussila@oh2bu.pp.fi writes:
> Some time ago there was mentioned here in TowerTalk-reflector, that when a
> (high) tower collapses for any reason, the parts of the tower fall down in
> a circle, which is maximum 30 % of the length of the tower. (I hope I could
> explain that clear enough) Could anybody help me to find that message or to
> find relevant information.
> A friend of mine has a severe problem with his neighbour demanding him
> move his tower 3 meters further from his house. The house is 40 meters from
> the 42 meter high tower. The neighbour is afraid that the tower collapses
> and ruins his house ....
You're referring to the often cited Gunnar Olsen study. I have a copy
and can send it to you.
The 30% or so radius is correct but only for guyed towers. Self-
supporting towers will fall their full length.
Cheers, Steve K7LXC
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