Firmly bonded anchors join chemically the sub-
strate, e.
When frictional connection made, spreading ele-
ment set the anchor body ensures locking the
drill hole. The threads the bolt ties
also work according this principle.2. through sticking with special mortar.
TBS
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99
Chapter The external lightning protection system
.TBS
Blitzschutz-Leitfaden
2018
/
en
/
2020/01/10
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2020/01/10
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2. Ad-
hesive cartridges injection systems, which a
threaded rod mounted, are included these fasten-
ings. When mounted with the planned torque, the
friction ensures the high load values.g. The anchor fits "tightly" into the com-
ponent. Cleaning the drill holes very important for
these systems, order prevent slipping out due to
dust the drill hole.2 Fastening principles
There are three types force transmission from the
anchor the substrate:
• Form fit
• Adhesive bond
• Friction bond
Anchors with form-fitting tap the substrate and support
themselves it. Examples are back cut internal thread an-
chors cavity ceiling ties
