Conventional Tunnelling
The construction of tunnels using conventional construction methods has always been a challenge to every engineer. Here, the engineer’s most important task is the evaluation…
Cut-and-Cover Tunnels
Tunnels, retained cuts and top-down excavations - special kinds of traffic structure.
Wherever geology and inner city traffic conditions permit, cut-and-cover tunnels,…
Tunnelling Technologies
“Tunnel Technologies” as part of the Tunnelling Departmentof Wayss & Freytag Ingenieurbau AG, headquartered in Frankfurt, provides customized equipment solutions…
Tunnel refurbishment
Tunnels are important traffic and civil engineering structures with high safety standards and demanding technical equipment. Often the failure to meet these safety standards…
Specialist foundation engineering
The Central Division carries out demanding specialist foundation engineering works in difficult soil conditions throughout Europe. The following construction works…
In-situ Concrete Diaphragm Walls
In-situ concrete diaphragm walls are mostly used as watertight and deformation-resistant sheeting elements for deep construction pits. Furthermore, they can be used…
Bored piles
Bored piles are one of the most common deep foundation elements. They serve to transfer loads from structural loads into load-bearing soils. Bored piles are used as cylindrical…
Jet Grouting Method
When using the get grouting method, the soil structure is dissolved by means of a high-energy cutting jet (water or cement suspension, in some cases coated with compressed air)…
Micropiles
The term “micropile” covers piles with a diameter of up to 300 mm. Quite often single rods or rod groups and also small reinforcement cages are used as bearing elements. The bearing…
Client: Arge Stadtbahntunnel
Employer: KASIG
Contract value: 615.000 €
Construction period: January 2014 - May 2014
For the construction pit at „Durlacher Tor“ Station, below the cover 275…
