plastic equilibrium

plastic equilibrium

[′plas·tik ‚ē·kwə′lib·rē·əm]
(geology)
State of stress within a soil mass or a portion thereof that has been deformed to such an extent that its ultimate shearing resistance is mobilized.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.