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RE: Bracing query

Subject: RE: Bracing query
From: Addison, Gilbert
Date: Jun 07 2006 07:50:19
The ring method works extremely well as it distributes loading
proportionately and not directly as with a one to one cable. If you get
all the tails swaged onto the ring before you start then the plot will
be a whole lot neater.

 
Gilbert Addison
Tree and Countryside Officer
Breckland Council
Tel: 01362 656243
Fax: 01362 656297
 

-----Original Message-----
From: Scott Cullen [mailto:dscottcul@xxxx.net] 
Sent: 06 June 2006 22:09
To: UK Tree Care
Subject: Re: Bracing query

I've never done a "ring" type arrangement.

In any case the reason for bracing is the important thing.  The most
common reason for cable bracing (regardless whether you might use steel
or elastic synthetic) is to support a crotch.... to prevent it from
failing in tension as opposing leaders are forced apart under wind, snow
or other loads.  So it is the crotches at the bases of all those 10
stems that will dictate the optimum cable bracing system.  You might
have direct cables for some pairs, triangular sets for various
combinations of three.  What risk are you mitigating?

Scott Cullen
  ----- Original Message ----- 
  From: Robert Yates 
  To: UK Tree Care 
  Sent: Tuesday, June 06, 2006 4:57 PM
  Subject: Bracing query


  Dear All

  Can anyone help regarding a spec. for a bracing system for a
multi-stem Walnut. There are around 10 stems, more or less in a circle
and between 250 & 350mm dia. @ the optimum bracing height.
  I believe there is a thing called a 'Ring' brace where you have a
central collar with the braces emanating from it.
  Has anyone had experience of this (or other appropriate system), and
is it difficult to set up? & who would supply the gear?

  Any help much appreciated

  Robert @RGS

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