The load capacities are very high and
thus ideally suited for the fastening the technical
building equipment. must also ensured that the anchors
are suitable for cracked concrete and are approved.
Uncracked concrete
(pressure zone)
Cracked concrete
(tension zone)
Cracks
TBS
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101
Chapter The external lightning protection system
. With unsuit-
able anchor, the fastened component can fall out of
the drill hole. Cracks can occur the tension
zone, which reduce the load capacity. However, important re-
member that ceilings experience so-called tension
and pressure zones.3.TBS
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Pressure
Strain
Uncracked concrete
(pressure zone)
Cracked concrete
(tension zone)
2.2.1 Concrete
One the most frequently used construction materi-
als concrete
