Rammed piles
- In stable soil
- Fast installation: > 250 piles / day per machine
- Optimal accessibility for maintenance
- Limited number of components - no accessories
- Very cost-effective
![Steel profiles for solar mouting structures with driven piles](/vamf_assets/var/site/storage/images/_aliases/content_img_medium/media-library/pictures/voestalpine-sadef-nv/solar/solar-geramde-palen1/292261-1-dut-NL/Solar-geramde-palen1.jpg)
Concrete foundations
- For unstable soil (for example, landfill)
- Good alternative if pile-driving is not possible
- Adjustable after the soil has settled
- Poured on site or with prefab concrete blocks
![Steel profiles for solar Field with concrete foundations](/vamf_assets/var/site/storage/images/_aliases/content_img_medium/media-library/pictures/voestalpine-sadef-nv/solar/solar-betonfundering-grondstructuur/292256-1-dut-NL/Solar-betonfundering-grondstructuur.jpg)
Screwed piles
- For very unstable or rocky soil
- Suitable for landfills with limited penetration depth
- Fast installation: > 200 screws / day per machine
![Steel profiles for solar structures with screwed piles](/vamf_assets/var/site/storage/images/_aliases/content_img_medium/media-library/pictures/voestalpine-sadef-nv/solar/solar-geschroefde-grondstructuur/292251-1-dut-NL/Solar-geschroefde-grondstructuur.jpg)