Gravel columns in wind farm foundations

I’ve just received a short technical summary of the works performed in Raki (Chile) from Terratest, the company who has made the gravel columns.

Unfortunately it’s in Spanish, but the pictures are beautiful 😉

About 9000 meters of gravel columns have been put in place. The diameter is 80 cm, while the length changed depending on the position (from 9 to 13 meters).

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