Herrenknecht is a technology and market leader in the area of mechanized tunnelling systems. As the only company worldwide, Herrenknecht delivers cutting-edge tunnel boring machines for all ground conditions and in all diameters – ranging from 0.10 to 19 meters. The Herrenknecht product range includes tailor-made machines for transport tunnels (Traffic Tunnelling) and supply and disposal tunnels (Utility Tunnelling). Under the umbrella of the Herrenknecht Group, a team of innovative specialists has formed to provide integrated solutions around tunnel construction with project-specific equipment and service packages upon request.
Herrenknecht AVN or Slurry Machines with a Cone crusher are all-rounders for safe tunnelling in the diameter range of 0.4 to around 4 meters. These Microtunnelling experts show their full potential particularly in non-accessible machine sizes. The slurry-supported excavation concept makes it possible to use these machines in all kinds of ground conditions, ranging from silt to clay to incohesive soils, and further to gravel and rock.
For quick and reliable construction of vertical shafts, Herrenknecht developed its VSM (Vertical Shaft Sinking Machine) technology, today an established product on the market. This unique mechanized shaft sinking equipment shows its strengths particularly below groundwater. In general, it can be used in soft and stable soils with compression strengths of up to 80 megapascal.
Herrenknecht is providing EPB tunnel boring machines with earth pressure support for soft, cohesive soils. The Earth Pressure Balance Shields (EPB) turn the excavated material into a soil paste that is used as pliable, plastic support medium. This makes it possible to balance the pressure conditions at the tunnel face, avoids uncontrolled inflow of soil into the machine and creates the conditions for rapid tunnelling with minimum settlement.
Phone: +49 7824 3024730
Tajhizat Novin Tunnel PJS (TNT)
Unit No.7, Sahand Office Complex, Farhang Blvd, Saadatabad
Phone: +98 (21) 26416105
Fax: +98 (21) 26416105
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