On the Effect of Shear on Plastic Deformation of Beams Under Transverse Impact Loading

[+] Author and Article Information
B. Karunes

Department of Applied Physics, University of Calcutta, Calcutta, India

E. T. Onat

Division of Engineering, Brown University, Providence, R. I.

J. Appl. Mech 27(1), 107-110 (Mar 01, 1960) (4 pages) doi:10.1115/1.3643883 History: Received December 08, 1958; Online September 16, 2011


The impact problem for a rigid-plastic beam is formulated by using an interaction curve relating shearing force and bending moment for fully plastic action, and allowing for shear and rotary inertia effects. Using a simplified interaction diagram, the problem of point-impact loading is solved for a special case. The analysis shows that the shear effects are of considerable importance when the parameter μ0 = 2Q0 l/M0 is less than 20 where Q0 and M0 are plastic-carrying capacities of the cross section for pure shear and bending, respectively, and 21 is the length of the beam.

Copyright © 1960 by ASME
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