Construction of platform tunnels 4 x 20 meters in length with variable diameter (greater than 10 meters).

Two tunnels under the Corvinus University, two tunnels under the Danube (the second one with congelation method).

  • construction of primary shot concrete shell 
  • geometric leveling with shot concrete

 Fővám Square 2008-2010.- General Contractor: Hídépítő Zrt.

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Ventilation tunnel 70 meters long, 6.5 meters in diameter, inclination down with "turn".

  • construction of primary shot concrete shell
  • waterproofing with sprinkled Masterseal non-conductor membrane
  • secondary shell with shot concrete with steel fibre
  • creation of internal fireproof layer by means of shot concrete with polypropylene fiber
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Shield starting chamber is about 10 meters long, 6.5 meters in diameter.

  • primary shot concrete shell construction 

Ventilation connection (with unique geometry):

  • primary shot concrete shell construction
  • internal monolithic shell construction

Móricz Zsigmond Körtér, from 2008 to 2009.- General contractor: Strabag Zrt.

Constructing ventilation connection tunnel and vertical shaft, length: 15 + 8 meters (diameter 6,5 meters) by using safety platform and vertical material handling at sections; handling vertical and horizontal interfering tunnels.

  • construction of primary shot concrete shell
  • waterproofing with sprinkled non-conductor membrane
  • secondary shell construction with steel fibre and polypropylene fibre shot concrete
  • construction of monolithic framework underlying the line tunnel junctions

Suction tunnel 100 meters long, 10 meters in diameter.

  • primary shot concrete shell construction

Excavation and related workflows from the gap wall-bounded box structure of Kelenföldi Station.

Kelenföldi Station 2008-2009.- General Contractor: Hídépítő Zrt.

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Shield starting tunnels and ventilation chamber: 50 meter long, 6.5 meter in diameter.

  • primary shot concrete shell construction
  • inner shell, with rectangular concrete surface intersection

Népszínház Street - General Contractor: BAMCO Kkt.

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Shot concrete shell construction.

Slopes; retaining walls; exterior and interior building surfaces reinforcement with shot concrete (steel mesh).

Fővám square 2008-2010 - General Contractor: Hídépítő Zrt.

Heat removal freezing with liquid nitrogen.

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