The problem is that the bedrock in that area is very deep so it's impossible to do piles reaching the bedrock (there are only clays).
Thanks for yours answers!
An engineer asked me a suggestion on the type of foundation to adopt for the enlargement of a building on a hilly slope. The foundation of the old part of the building is constituted by beams on silty clays. The ground of foundation of the new part shows a changement; in fact there are...
