V.T.A symptoms "the chatty trees"

[Tony Croft aka hamadryad]

could somebody please explain to me the differences between a shear crack and a shear bomb (preferably with piccies to illustrate) as i am wee confused still:blushing:

 

Thanks.

 

Sean, a shear bomb is a short central crack which stops where the neutral fiber is at around a metre or two, a shear crack is a shear bomb crack its all shear force but shear bombs are almost normal developmental proscess. Its a complicated thing to explain in this format but.....

 

theres three shears, seperation shear crack, where a root delaminates along with a volume of the stem, VERY dangerous.

 

Shear crack whereby the leaning tree for example delaminates to to tension on upper side and compressive force lowerside forces a sgear plane along the centre fibres also pretty knarly

 

and a shear bomb whereby the forces of the crown and roots cancel each other out at the wrist of the sttem hence the "nuetral fibres":thumbup:

 

if that doesnt help phone me i will explain till your happy:thumbup:

[sean]

No thats good mate thanks.......Hsve you got a photo of the body language of a shear bomb.....?

 

 

Going to have a VTA, Body Language field trip soon?

[andrew t]

Sorry if this pic is the wrong way up . Is this a shear bomb crack:blushing:

Edited April 13, 2012 by andrew t

[sean]

Sorry if this pic is the wrong way up . Is this a shear bomb crack:blushing:

 

wrong way up?? Its invisible!

[Tony Croft aka hamadryad]

No thats good mate thanks.......Hsve you got a photo of the body language of a shear bomb.....?

 

 

Going to have a VTA, Body Language field trip soon?

 

 

Why dont you find a nice ancient woodland near you and give us a ring Im up for meeting up down your way for a bimble, my time is yours me old mucka you know that.

 

besides I owe you a fungi guide!

[Tony Croft aka hamadryad]

I think i posted a seperation shear in here a while back, shall look back, and also find you a nice shear bomb, but havent you got a mattheck book handy! lol

 

if not I will tell Claus in may, and I bet he will say why the hell not is he a crazy Ba.....rd! in that strong german accent!

[andrew t]

wrong way up?? Its invisible!

he he there it is lol:lol:

[Tony Croft aka hamadryad]

this post sean

 

Separation shear crack! tension de-lamination! and what a "cracker" it is, text book.

 

oooooohhhhhh i get soooo excited when i find em!

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[sean]

I think i posted a seperation shear in here a while back, shall look back, and also find you a nice shear bomb, but havent you got a mattheck book handy! lol

 

if not I will tell Claus in may, and I bet he will say why the hell not is he a crazy Ba.....rd! in that strong german accent!

 

Maybe its me...i dont know. I have the body language of trees and VTA handbook (thanks for that!).

 

Now.....Mattheck talks about shear cracks and bombs......i'm fine with cracks but although he talks about bombs there are no examples???? The examples you have posted are shear cracks right? BUt again what about these bloody bombs.....?? Sorry......im finding this bomb business slightly frustrating:cursing:

 

I know a great wood we can traipse about in.....are you on the same number tony? I'll call you.

[andrew t]

Any answers on my pic.