Assertion: pile | /r/ObjectUse | used as foundation
Facets:
Source sentences:
text: Piles are used as a foundation for various marine structures such as wharves and jetties.
text: In addition to piles used in foundations, sheet piles, chiefly of metal, are also used in sheet-pile walls to form, for example, temporary fencing in the excavation of foundations or cofferdams in certain hydraulic-engineering installations.