Quote:
Originally Posted by guru
How was that tree still standing?!!!!
We had a couple of site that were rotted in the middle but they were nowhere near that bad.
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Quote:
Originally Posted by macafee2
Not only standing but the tree surgeon climbed it. 
macafee2 |
In the same way that a chimney remains standing despite having very thin walls. It's explained by the second moment of inertia of a structure. The resistance to bending is provided primarily by the outer layer and the inner solid is effectively dead wood - in your case literally.