tamping roller[′tamp·iŋ ′rō·lər]
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
sheepsfoot roller, tamping roller
A self-propelled or towed drum-like roller with projecting studs that penetrate the surface of the ground; used to obtain deep compaction of fill material; esp. effective for compaction of clay soils. (See illustration p. 880.)
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.