Installation of noise barriers

The foundation is constructed as a shallow foundation. A sophisticated deep foundation is not necessary. With regard to climate protection, regional recycled materials are preferably used. The gravel base course must be built up in layers on the existing subsoil. The installation thickness depends on the height of the terrain after topsoil removal and static requirements.

The extremely dimensionally stable noise barrier consists of A-shaped support frames with base plates made of thin-walled tubes with internally welded tensile elements to connect the opposite side of the wall. Steel mats covered with a durable, highly UV-stable, multi-layer geotextile are mounted on the outside of the support frames. The ewall system is an efficient and at the same time highly stable steel construction. Particular attention is paid to the top finish and the geotextile is stretched continuously over the round steel so that an even finish is guaranteed along the entire length of the wall.

The earth body is backfilled via the opening from above using grab excavators or alternative conveying equipment, which place the filling soil in the intermediate space. Mechanical compaction of the material within the wall is not necessary. With regard to climate relevance, CO2 balance and resource consumption, local soil material is preferably used. This soil material is often produced during the preliminary development measures and can be disposed of by using it without incurring any additional costs.

The base of the wall is covered on both sides with climbing plants suitable for the location, which are selected for the rapid greening of the structure. The crown is sown with a mixture of grasses and wild herbs. Alternatively, a pre-cultivated vegetation mat can be applied. As a general rule, no additional irrigation is required, apart from the irrigation of the initial growth. In particularly exposed locations, climate-friendly and cost-effective underground irrigation can be integrated. The selection of suitable plants depends on the location factors of the construction project, the soil conditions and the orientation of the wall, taking into account local conditions such as solar radiation, heat and frost periods and dry periods.

In terms of carbon footprint, the ewall system is clearly the best solution compared to various deep-founded standard noise barrier systems such as aluminum panels, glass elements or wood and concrete systems.

Regional and resource-saving components are used. Quick installation with minimal use of construction machinery.

The extensive greening creates ecological niches for a variety of insects and binds fine dust.

• No complex deep foundation required
• Largely maintenance-free
• No screw connections and therefore easy installation without the use of devices
• Durable geotextile and HDPE mesh with provable extreme UV stability
• Highly resistant to vandalism and damage
• Not an attractive target for graffiti due to the surface texture

• Discreet integration into the landscape
• Direction changes and curves possible with standard elements
• Biodiverse habitat for insects, lizards and birds
• Selected climbing plants typical of the location ensure optimum greening
• Maximum plant growth possible thanks to self-sustaining irrigation system (SBS)