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Rockfall Protection - Lockstein 2017

The installed RXE-500-LA barrier

Rockfall Protection - Lockstein 2017

Example of boulder size in a possible rockfall

Rockfall Protection - Lockstein 2017

The low weight is a huge advantage when constructing barriers, particularly if, as in this case, the use of heavy machinery is not possible

Rockfall Protection - Lockstein 2017

Final work on the RXE-500-LA rockfall barrier. Drilling work was performed by a walking excavator with a drilling rig

Rockfall Protection - Lockstein 2017

Overview of the fully installed RXE-500-LA rockfall barrier couple of months after installation. Visible protected touristic route

Rockfall Protection - Lockstein 2017

RXE-500-LA with a unique rope guide - the upper support rope serves as a vertical rope

Rockfall Protection - Lockstein 2017

Due to the growth of the natural vegetation, the barrier is hardly noticeable any more in this tourist area. One of the protected buildings in the valley is the kindergarten, which was previously threatened by rockfall

Rockfall Protection - Lockstein 2017

The barrier is not only lightweight, but also has the highest protective function in its energy class

Rockfall Protection - Lockstein 2017

The barrier already proves its worth shortly after installation. Rockfall of different magnitudes occurs regularly

Rockfall Protection - Lockstein 2017

The Emmaus circular trail as a tourist attraction is now completely protected from rockfall

 

System length

29 m - 66 m

 

Year of installation

2017

Initial situation

A much-trodden hiking trail in Berchtesgaden with a historic Brine pipeline and a kindergarten underneath were acutely affected by rockfall. The Berchtesgaden market thus put out a tender for the construction of a rockfall barrier in the south-east slope area along the hiking trail to the Lockstein viewpoint café.

Heavy construction traffic cannot operate in this area; there were also no storage or work areas available. In the sector of the fence segments under the forest soil overlay, silty to very silty hillside debris, heavily interspersed with rocks and block parts and in part open-pore rock/block layers had to be contended with.

It was assumed from the local situation, that the thickness of the loose rock cover - hillside debris under the forest soil overlay - was several metres (> 5 m) , so that it could be basically assumed that for the anchor dimensioning, the binding line lies in loose rock throughout.

Soil classification DIN 18 301 (2012) loose soil covering BN 1, BN 2, BS 1 - BS

4; boulders/ outcropping rock FV 2, FV 5, FV 6, FD 2

(According to planning documents of Engineer Bernd Gebauer GmbH,

Traunstein)

Description

Due to the conditions described above, the barriers were installed by hand without machinery.

Anchoring: wire rope anchors 5 m long (lateral) and 4 m long (support anchors) were used. In the looseened rock area, for the lateral anchor rope on the west side flex heads were used instead of wire rope anchors.

Customer

Markt Berchtesgaden Community

Engineering

Dipl.-Ing. Bernd Gebauer Ingenieur GmbH

Contractor

HTB Baugesellschaft m.b.H.

Protected object

Touristic infrastructure, Infrastructure, Other

Corrosion protection

Galvanized, GEOBRUGG SUPERCOATING

Your local contact

Kevin H. Coyle
 

Kevin H. Coyle

Regional Manager Northeast

Natural Hazards
Hydraulic Engineering
Geobrugg North America, LLC,3 Beaudet Terr,Columbia CT 06237 / United States Regional Manager Northeast

E-Mail

Saleh Feidi
 

Saleh Feidi

Regional Manager California

Natural Hazards
Hydraulic Engineering
Geobrugg North America, LLC,8921 Emperor Ave.,San Gabriel, California 91775 / United States Regional Manager California

E-Mail

John Kalejta
 

John Kalejta

Regional Manager Central US

Natural Hazards
Hydraulic Engineering
Geobrugg North America, LLC,3215 67th Avenue Pl,Greeley CO 80634 / United States Regional Manager Central US

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Bob Lyne
 

Bob Lyne

Regional Manager Southeast

Natural Hazards
Hydraulic Engineering
Geobrugg North America, LLC,8004 Windspray Drive,Summerfield NC 27358 / United States Regional Manager Southeast

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Pierce Runnels, Civil Engineer
   

Pierce Runnels

General Manager Geobrugg North America

Natural Hazards
Geobrugg North America, LLC,22 Centro Algodones , Civil Engineer General Manager Geobrugg North America

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Tim Shevlin
 

Tim Shevlin

Sales Director

Natural Hazards
Geobrugg North America, LLC,Salem OR 97302 / United States Sales Director

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