Road construction
N4 New Axenstrasse construction lot 301
Axenstrasse, Switzerland / 03.2024 - 10.2026
New construction of a retaining structure on the mountain side (anchor wall in sub-foundation construction and lining wall): Work and construction logistics in very steep terrain:
- Excavation of loose soil and rock, large quantities
- Excavation pit stabilisation using nail wall
- In-situ concrete work in small stages (anchored element wall)
- Nailing of fissure body
- Pre-stressed, permanent strand anchors
- Seepage pipe
Facts & Figures
Company
PORR SUISSE AG in consortium
Type
Road construction, Special civil engineering
Runtime
03.2024 - 10.2026
N4 New Axenstrasse construction lot 301
New construction of cantilever and supporting structures, stacking basin and outlet structure on the lakeshore in confined spaces between the SBB railway line and Alte Axenstrasse:
- Removal of road, reinforced concrete and natural stone construction
- Excavation pit stabilisation using nail wall
- In-situ concrete work
- Waterproofing
- Backfilling
- Pipe jacking (diameter 610mm) under the SBB train line
- Hydraulic engineering with construction of outlet structure
Road construction: foundation layer, surfacing, drainage, utilities and equipment.