Portal frame under impact loading
Brock, John E.
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An experimental investigation was undertaken to determine the effects of an impulsive load of very short duration on a simple structure such as a portal frame. Models built and tests conducted are described. Test results are tabulated and graphically compared with calculations based on a simple theory. The structural models show greater resistance to deformation than predicted by theory. This increase can most easily be explained by an increase in the yield point due to the dynamic loading. The resistance the models develop, however, is less than that which the results of high strain rate tests would indicate.