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© Geobrugg AG, CH-8590 Romanshorn, Switzerland
GBE-100A-R / 08
Rock:
•
Drill holes for anchors
08
into the rock
112
at a right angle to
the base plate
•
Using grout, fix the anchors
08
in place; the project engineer
calculates the anchor lengths
•
A thin grout levelling layer is intended to guarantee that the
base plate has a sturdy seat
•
Position the post in grout levelling layer
•
Tighten the fastening nuts
10
with spacers
09
to a preload
force of approx. 30 kN once the grout has completely hard-
ened
Fastening nut tightening torque for an anchor preload force of approx. 30 kN:
Swiss-GEWI NG 20
Swiss-GEWI NG 25
Swiss-GEWI NG 28
Tightening torque
200 Nm
300 Nm
400 Nm
Use grout that is resistant to frost and de-icing salts.
Reinforcement: 12 mm steel diameter at 150 mm intervals
An installation template can also be supplied on request.
Ensure that the anchors have sufficient contact with the grout and bond well. Also ensure that the an-
chors have a sufficient circumferential surface to the surrounding material.
You can find further information on anchoring posts on the anchor data sheet.
The forces that occur during a rockfall event are not to be underestimated. The civil engineering and in-
stallation work must therefore be carried out by professionals.
08
112
09, 10
Summary of Contents for GBE-100A-R
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