|
|
 |
 |
|
Historically, tree care experts have used steel cable to secure
damaged trees, control structural weaknesses in high-value
specimens, as well as reduce risk from hazards. Recent
understanding of trees has revealed that in some cases, limbs
allowed to move freely will form reaction wood in areas to
reduce chances of splitting & other failure. In those
circumstances, restrictive cabling could actually lead to
weakening of trees that grew dependant on such support. Our
arborist examines and evaluates the main trunk and limb crotches
for integrity and strength. We look closely for old and new
wounds, wind torque cracks, trunk rot, and lightning damage. We
employ the best approach for your situation, either static or
dynamic cabling systems, to ensure safer trees.
The modern
dynamic cabling method minimizes the risk of
failure at "V crotches". The introduction of a shock absorber
into a cabling system allows for a slack cable that is only
called upon during extreme loading. During this loading event
the shock absorber is activated, thus dampening the jerking
effect which otherwise creates excessive loading at cable anchor
points. The slack in the cable leaves the support undetected by
the tree, so it is not used as a crutch as with permanently
rigid steel cables. This allows for reaction wood to form at the
week union, permitting the tree to aid with its own inherent
defense mechanisms and reduce risk of failure. Growth loops are
incorporated into the system, so as the cabled limbs grow in
diameter the system stays in check.
Static systems incorporate steel cables and/or rods. These
systems are necessary to minimize crown movement after an injury
or to support very poor limb/stem attachments. We use thru
bolts for tree cabling and are completely up-to-date with all
new and most efficient materials and techniques. Tree bracing
and cabling is an important step in caring for your trees and we
stand ready to advise you on the best approach for your
situation. |
 |
