Large diameter CFA are largely used in low density soil.CFA piles make it possible to avoid decompressing the soil and using bentonite mud for drilling, this greaty simpilifiles the disposal of debriis.
- Digging the pile
- Extraction of the blade occurs at the same time concrete is poured by pomping from inside the same blade
- Placing reinforcement
- Load test
- Pile diameter: 400 to 1000 mm
- Depth: 25 ≈ m