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An illustration of a pile driver which is a machine used to drive piles into the ground which is what creates a deep foundation.

Pile Driver

An illustration of a pile driver which is a machine used to drive piles into the ground which is what…

"F. Wall of sheet-piling at Havre, France, with earth embankment behind the piles." -Whitney, 1911

Sheet Piling

"F. Wall of sheet-piling at Havre, France, with earth embankment behind the piles." -Whitney, 1911