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Tree Support
Systems: Part II
Cables, braces and guys can all provide supplemental support to trees by limiting movement. Besides codominant stems, another common condition that has a high risk of failure occurs with long, heavy or over-extended branches. These are branches that are usually long for the tree species, horizontal or downward growing, or have the majority of their foliage concentrated at the end of the branch.
Breakage of these branches may occur at the junction with the stem or they may split due to tension forces on the top and compression forces on the bottom of the branch. Splits occur when there is heavy loading such as from snow or ice, or during a strong wind. Cables are used to reduce the risk of breakage and/or to keep branches off the ground, above pedestrian’s heads or away from structures.
If you have any questions or comments regarding this article or any other questions please contact me at jwood@bartlett.com or 1- (877)-Bartlett.
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