Olt Valley, km 239+500 - 246+500 2015 - Geobrugg Olt Valley, km 239+500 - 246+500 2015 - Geobrugg
Olt Valley, km 239+500 - 246+500 2015 - Geobrugg Olt Valley, km 239+500 - 246+500 2015 - Geobrugg
Olt Valley, km 239+500 - 246+500 2015 - Geobrugg Olt Valley, km 239+500 - 246+500 2015 - Geobrugg
Olt Valley, km 239+500 - 246+500 2015 - Geobrugg Olt Valley, km 239+500 - 246+500 2015 - Geobrugg
Olt Valley, km 239+500 - 246+500 2015 - Geobrugg Olt Valley, km 239+500 - 246+500 2015 - Geobrugg
Olt Valley, km 239+500 - 246+500 2015 - Geobrugg Olt Valley, km 239+500 - 246+500 2015 - Geobrugg
Olt Valley, km 239+500 - 246+500 2015 - Geobrugg Olt Valley, km 239+500 - 246+500 2015 - Geobrugg
Olt Valley, km 239+500 - 246+500 2015 - Geobrugg Olt Valley, km 239+500 - 246+500 2015 - Geobrugg
Olt Valley, km 239+500 - 246+500 2015 - Geobrugg Olt Valley, km 239+500 - 246+500 2015 - Geobrugg

Olt Valley, km 239+500 - 246+500

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Street
National Road no.7
ZIP code
245601
Place
Boița
Country/Region
Romania
Year of installation
2015
Customer
Compania Naţională de Administrare a Infrastructurii Rutiere (C.N.A.I.R.) – Directia Regionala de Drumuri si Poduri Craiova (D.R.D.P.)
Engineering
A.C. IRIMAT Cons S.R.L.
Contractor
S.C. VECTRA GROUP S.A.
Other participating companies
Sachschische Bau GmbH Dresden Germany, Sibiu Branch
Protected object
Road
Systems
GBE-1000A
Energy absorption capacity
1000 kJ
System height
3.0 m, 4.0 m
System length
20 m - 50 m
Corrosion protection
Galvanized, GEOBRUGG SUPERCOATING®
Other installed applications
Slope Protection, Debris Flow & Shallow Landslide Protection
Situation

National road no. 7 (DN7) is one of the most important routes through the Carpathian Mountains, with heavy traffic. The Olt River runs parallel to the DN7 with high mountains, directly next to the road. In winter and spring rockfalls occur regularly. Also with unstable slopes, torrents and avalanches the risk of accidents was high. 

This project was originally developed with five concrete canopies for rockfall protection. Due to costs and other restrictions, a modern solution using high tensile steel wire was chosen. After further investigation, 23 dangerous areas were found and had to be protected using two types of protection systems: active and passive.

Description

GBE rockfall barriers were provided as a passive protection at the following sectors:

1. km 240+454 - 240+510

GBE-1000

  • capacity: 1000 kJ
  • height: 5 m
  • length: 56 m

2. km 240+555 - 240+577

GBE-1000

  • capacity: 1000 kJ
  • height: 3 m
  • length: 22 m

3. km 242+453 - 242+457 (as a debrisflow barrier)

VX-060

  • height: 3 m
  • length: 8 m

 4. km 242+457 - 242+610

GBE-1000

  • capacity: 1000 kJ
  • height: 4 m
  • length: 30 m and 36 m

 5. km 242+859 - 242+940

GBE-1000

  • capacity: 1000 kJ
  • height: 4 m
  • length: 30 m

 

6. km 243+099 - 243+179

GBE-1000

  • capacity: 1000 kJ
  • height: 4 m
  • length: 30 m

See also the other projects of Olt Valley.

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Pierce Runnels, Civil Engineer
Pierce Runnels, Civil Engineer
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Algodones NM 87001 / USA
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