Abstract
The test results of quasi-static and dynamic plane simple shear are discussed. Use is made of a new double-shear device in which loading and displacement are controlled in compression. First a series of quasi-static tests with a servohydraulic universal machine was performed. After that, two types of tests were made: i) the device with an attached double-shear specimen was placed between two bars of the split Hopkinson pressure bar; ii) direct impact was assessed on the shear device placed in front of the transmitter Hopkinson tube. The relevant initial-boundary value problem of the simple shear has been formulated, and the numerical solution compared with experimental data. An exceptional homogeneity of the permanent strain was observed in experiments and numerical simulation. For deformations larger than 0.7, zones of strain localization were observed.
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