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Fortrac
NATURE

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Building natural looking retaining walls and embankment protection

With our Fortrac Nature system models, you can erect vegetation covered retaining walls or embankment protection in a short time, which, when appropriately planted, integrates into the landscape. Compared with conventional construction methods, this natural solution has a positive effect on the urban climate and, if appropriately planted, offers protection for insects and birds. You can use the system for slope and embankment protection with inclines from 30° to steep slopes and steep slopes up to 110°.  Successful, permanent vegetation is usually possible up to an angle of inclination of 70° and should be ensured by a specialist company in cooperation with the planner. Of course, temporary structures and earth pressure vessels do not require any greenery.

 

System benefits

 
  • Harmonious integration in natural landscape setting
  • High flexibility in terms of inclination, contouring and vegetation
  • Long-term stability and durability coupled with ductile behaviour
  • Natural looking solution, providing habitat for birds and insects
 
 
  • Positive impact on micro-climate
  • Easy dismantling allows use as a temporary structure
  • Lateral earth pressure containments of 110° feasible
 

System models

Integrated corrosion-protected formwork

  • Integrated galvanised steel formwork
  • Long-term stability and high resistance to deformation 
  • Space efficient installation without ancillary formwork

Integrated lost formwork

  • Integrated pre-formed structural steel formwork
  • High stability and resistance to deformation
  • Space-efficient installation without ancillary formwork

Without integrated formwork

  • Low system costs
  • Erection and shaping with temporary ancillary formwork
  • Customised architectural contouring possible

Component kit
Everything for your Nature system model

  • Interaction flexible Fortrac geogrid
  • Vegetation and/or erosion control mats
  • Ungalvanised steel formwork units
  • Galvanised steel formwork units
  • Tensioning hooks (galvanised/ungalvanised)
  • Planting/hydroseeding by specialist contractor

Application Examples

wide range of applications

Fortrac Nature

Rockfall protection wall in Gesäuse National Park

Austria | Challenging avalanche protection structure in highly inaccessible terrain

 

Fortrac Nautre

New road – Triebener Straße B114

Austria | New-build road offering reliable long-term performance on active creep-prone slope

Fortrac Nature

Trèfle art installation in Parco Arte Vivente, Turin

Italy | Permanent landscape artwork shaped like a four-leaf clover

Fortrac Nature

The first 110° earth pressure relief wall in the world

Netherlands | Vegetated wildlife bridge over A2 motorway with 110° earth pressure relief wall

Fortrac Nature

New residential estate near motorway, Iserlohn

Germany | Terrain raised by up to 25 m to create residential site

Fortrac Nature

Buitenring Parkstad Limburg megaproject

Netherlands | 30 bridge abutments along 26 km long bypass

Fortrac Nature

Avalanche protection wall for Ludrigno

Italy | Protection of Ludrigno’s population and valley bottom infrastructure against avalanches

Fortrac Nature

B85 trunk road widening

Germany | Trunk road directly on geosynthetic-reinforced retaining structure

Mastering Challenges with Fortrac Systems

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