Permanent Compression of a Rigidly Contained Granular Bed Following Impact With a Rigid Body

[+] Author and Article Information
C. C. Silverstein

Baltimore, Md.

J. Appl. Mech 36(3), 545-550 (Sep 01, 1969) (6 pages) doi:10.1115/1.3564715 History: Received May 23, 1968; Revised December 09, 1968; Online September 14, 2011


The end-on impact of a rigidly contained cylindrical granular bed against a rigid body at velocities in excess of the critical velocity for initiation of bed particle crushing is analyzed. Based on a modification of Taylor’s rigid-plastic analysis, equations are developed for predicting the length of the granular bed over which particle crushing occurs, the variation of bed porosity over the damaged length, and the total bed length following impact. These quantities are calculated for 20–40 mesh Ottawa sand beds following impact at velocities ranging from 100–450 fps.

Copyright © 1969 by ASME
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