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Reply by JJohnston

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Posted on why so up tight!?

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JJohnston

1577 posts in 1942 days


#1 posted 02-11-2011 05:37 PM

Tension (also called “reaction”) wood usually comes from branches. A branch is under continual bending stress its entire life, moreso the more horizontal it is. The wood on the bottom is under compression, and the top is in tension. These stresses are locked in as it grows, so it does crazy things when the bending stress is relieved. This can also happen with a trunk that grew bent, or not vertical.

-- "Sorry I'm late. Somebody tampered with my brakes." "You should have been early, then."


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