Geobrugg GBE-500A-R Product Manual

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GBE-500A-R

PRODUCT MANUAL

European Technical

Approval ETA–11/0034

ETAG 27: Category A

Energy class: 500 kJ

Height: 3 - 3.5 m

Date: 28.10.2016

Issue: 156-N-FO / 13

Associated test institute:

Eidg. Forschungsanstalt WSL

Birmensdorf, Switzerland

This manual is not

subject to change.

CH-8590 Romanshorn, Switzerland

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Page 1 ETAG 27: Category A Energy class: 500 kJ Height: 3 - 3.5 m Date: 28.10.2016 Issue: 156-N-FO / 13 Associated test institute: Eidg. Forschungsanstalt WSL Birmensdorf, Switzerland This manual is not subject to change. © Geobrugg AG CH-8590 Romanshorn, Switzerland...
Page 4 This document does not claim to be exhaustive. The manual describes general standard applications and does not take any project-specific parameters into account. Geobrugg cannot be held liable for any additional costs that may be incurred in special cases. Please contact the manufacturer if anything is unclear. Geobrugg AG's General Terms and Conditions of Contract apply.
Page 5 10 m and an impact speed of at least 25 m/s is reached. The tests are accepted by a notified body and receive an approval, known as an ETA (European Technical Approval). The approval no. of the GBE-500A-R system is ETA –...
Page 6 Geobrugg can assist with estimating the influence of larger deviations and special situations, and can offer rec- ommendations for feasible solutions. Geobrugg cannot, however, guarantee the same behavior as in the one-to- one rockfall tests.
Page 7: Table Of Contents
PREPARING THE POSTS AND NETS ................20 CRANE OR HELICOPTER INSTALLATION ............... 23 INSTALLING THE SUPERSTRUCTURE ................24 ASSEMBLY DETAILS ....................... 26 ADDITIONAL SOLUTION TO THE STANDARD ..............33 FINAL INSPECTION ......................34 Page 7/39 © Geobrugg AG, CH-8590 Romanshorn, Switzerland 156N-FO / 13...
Page 8: Hazard Warnings
REMOVAL OF PARTS UNDER TENSION The removal or separation of components under tension is to be avoided whenever possible. Should such work be necessary, however, the utmost caution must be taken. Page 8/39 © Geobrugg AG, CH-8590 Romanshorn, Switzerland 156-N-FO / 13...
Page 9: Tools For Installing Rockfall Barriers
 At least 2 tension belts  Cable winch hoist, e.g. LUG-ALL ®  Chain hoist or HABEGGER wire rope hoist, min. 1.5 t (15 kN)  Auxiliary ropes Page 9/39 © Geobrugg AG, CH-8590 Romanshorn, Switzerland 156N-FO / 13...
Page 10: Use Of Wire Rope Clips
2 x t , where t is the width of the clamping jaws. The loose rope end has to be 3 x e at a minimum. Geobrugg recommends looping up the remaining free section and fixing it directly behind the last wire rope clip on the tightened rope.
Page 11 Wire rope clips always have to be installed and used with the required tensioning torque. It is not allowed to re-use clips once they have been detached. Page 11/39 © Geobrugg AG, CH-8590 Romanshorn, Switzerland 156N-FO / 13...
Page 12: Staking Out Subject To Terrain
The foundations must be placed in such a way that the lower support rope is routed past the edges of the founda- tions without being damaged by them. Page 12/39 © Geobrugg AG, CH-8590 Romanshorn, Switzerland 156-N-FO / 13...
Page 13 The standard net length is acceptable up to a height difference in the barrier line of 2 m and if the distance be- tween the posts is between 6 m and 12 m. If the height difference is greater than in Tab.2, you must contact Geobrugg to enable the correct length of nets to be determined.
Page 14: Staking-Out Geometry
Informing Geobrugg about the deviations enables you to work together to quickly find a solution that is adapted to your requirements.
Page 15 0.65 1.00 3.00 4.50 1.00 1.50 3,50 5,30 1,15 1,75 4.00 6.00 1.30 2.00 ANCHOR POINT FOR INTERMEDIATE ANCHOR ROPE Length see Tab.3 see Tab.3 Anchor point intermediate suspension Page 15/39 © Geobrugg AG, CH-8590 Romanshorn, Switzerland 156N-FO / 13...
Page 16 In the case of a change in direction towards the mountain of more than 15°, an intermediate anchor rope must be installed and the valley-side anchoring is omitted. Page 16/39 © Geobrugg AG, CH-8590 Romanshorn, Switzerland 156-N-FO / 13...
Page 17 In the case of a change in direction towards the valley of more than 30°, two additional retaining ropes (D) are mounted on the post. The change in direction towards the valley must not exceed 40°. Page 17/39 © Geobrugg AG, CH-8590 Romanshorn, Switzerland 156N-FO / 13...
Page 18: Anchoring The Baseplate
Place the baseplate in the bed of cement  Tighten the fastening nuts once the cement has fully cured  The anchor length must be adapted to the environmental conditions Page 18/39 © Geobrugg AG, CH-8590 Romanshorn, Switzerland 156-N-FO / 13...
Page 19 When using bar anchors with flex head inserts, the inserted into the borehole horizontally up to foundations 03 must be installed with reinforcement 02 to the orange marker. prevent shear forces. Page 19/39 © Geobrugg AG, CH-8590 Romanshorn, Switzerland 156N-FO / 13...
Page 20: Preparing The Posts And Nets
1 pcs running wheel 2 pcs U-profiles as support rope guide 1 pcs TECCO mesh bundle 1 pcs lateral rope 1 pcs post head rope 2 pcs 5/8" shackles Page 20/39 © Geobrugg AG, CH-8590 Romanshorn, Switzerland 156-N-FO / 13...
Page 21 The mounting bracket 102 is placed at the correct height between the rungs 103 and the post wall. The net bundle is placed on the mounting bracket and securely fastened with 104 bands. Page 21/39 © Geobrugg AG, CH-8590 Romanshorn, Switzerland 156N-FO / 13...
Page 22 X: If there are large differences in height, it is easier to pull the mesh down from the higher post to the lower post. On request, Geobrugg will also supply the bundles on the desired side of the post. Page 22/39 ©...
Page 23: Crane Or Helicopter Installation
Fasten the mesh bundle using bands 204 and the mounting bracket so that it cannot fly away. Use the center 5/8" shackle on the top of the post 205 to lift the posts. Never use the rungs 203! Page 23/39 © Geobrugg AG, CH-8590 Romanshorn, Switzerland 156N-FO / 13...
Page 24: Installing The Superstructure
Install the U-brake for the top support rope on the anchors. Fasten the top support rope to the tops of the posts and tension the top support rope.  Install the U-brakes on the anchors, fasten the bottom support rope to the baseplates, and then tension the lower support rope. Page 24/39 © Geobrugg AG, CH-8590 Romanshorn, Switzerland 156-N-FO / 13...
Page 25  Install the vertical ropes close to the two outermost posts.  Raise the nets on the upper and lower support rope. Page 25/39 © Geobrugg AG, CH-8590 Romanshorn, Switzerland 156N-FO / 13...
Page 26: Assembly Details
1" shackles, straight NG19 wire rope clips The mesh is shown in the diagram; make sure you pay attention to the number of loops that are kept free. 33,87 Page 26/39 © Geobrugg AG, CH-8590 Romanshorn, Switzerland 156-N-FO / 13...
Page 27 1" shackles, straight NG13 wire rope clips, M = 35 Nm It is a schematic illustration of the net bundle, make sure that the right number of meshes rest free. 33,87 Page 27/39 © Geobrugg AG, CH-8590 Romanshorn, Switzerland 156N-FO / 13...
Page 28 LATERAL ROPE AND BOTTOM SUPPORT ROPE ON THE ROPE ANCHOR 1 pcs spirale rope anchor 1 pcs U-brakeU-300 shackle 3/4“ 2 pcs 4 pcs wire rope clip NG13 pro Seil 4 pcs wire rope clip NG19 pro Seil Page 28/39 © Geobrugg AG, CH-8590 Romanshorn, Switzerland 156-N-FO / 13...
Page 30 Mount 4 round clips on both the left and right of the post, starting with the post. Keep 11 loops free 3/8" shackle per loop 1/2" shackle per loop on vertical rope Page 30/39 © Geobrugg AG, CH-8590 Romanshorn, Switzerland 156-N-FO / 13...
Page 31 A support rope separation always contains an intermediate anchor rope. In the case of an intermediate anchor rope without support rope separation, the two lateral ropes at the center hole are fastened with a 5/8" shackle. Page 31/39 © Geobrugg AG, CH-8590 Romanshorn, Switzerland 156N-FO / 13...
Page 32 VALLEY-SIDE ANCHORING 33,87 33,87 1 pcs spiral rope anchor 1 pcs valley-side anchoring 3 pcs 5/8" shackles 8 pcs wire rope clips NG 16 Page 32/39 © Geobrugg AG, CH-8590 Romanshorn, Switzerland 156-N-FO / 13...
Page 33: Additional Solution To The Standard
In steep mountain slopes with torrent channels large openings may arise between ground and bottom support rope. Gap fillings can be developed in consultation with GEOBRUGG. Page 33/39 © Geobrugg AG, CH-8590 Romanshorn, Switzerland 156N-FO / 13...
Page 34: Final Inspection
Are the nets connected correctly? Are the end nets correctly fastened to the vertical ropes? Is the sag of the top support rope less than 3% of the distance between the posts? Page 34/39 © Geobrugg AG, CH-8590 Romanshorn, Switzerland 156-N-FO / 13...

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