Technical specifications
In the office zone:
- composed of 311 cased-auger piles
- Ø 630 mm, 12 m long
- twin rotary-drive system
- 1 row of anchors, 12 m long
In the housing zone:
- composed of 337 soilmix columns
- Ø 630 mm, 5 to 6 m deep
- 1 row of anchors
203 Pressurized concrete screw (PCS) piles
- Ø 500, 800 & 1.200 mm
- 8.5 to 14.5 m long
- Safe working loads (SLS): 400 to 9.000 kN compression and 0 to -2.020 kN tension
Before the execution of the Ø 1.200 mm PCS piles, obstacle coring through a concrete slab and old reinforcement bars.
Pile head stripping.
