iron and steel sheet piling

iron and steel sheet piling

[¦ī·ərn ən ¦stēl ¦shēt ′pīl·iŋ]
(mining engineering)
A technique that uses iron and steel piling instead of wood to drive a shaft through loose, wet ground near the surface.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.