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What is Drilled Pier? Construction of Drilled Pier. A drilled pier is a deep foundation system that uses a large diameter concrete cylinder constructed by placing fresh concrete and reinforcing steel into a drilled shaft. It is also called as a caisson, drilled shaft, Cast-in-drilled-hole piles (CIDH piles) or Cast-in-Situ piles.

What is Drilled Pier? Construction of Drilled Pier
What is Drilled Pier? Construction of Drilled Pier from maxondrilling.com

Web  Pier drilling is one of several deep foundation methods which can be used to bypass surface-level.