An Experimental Investigation Of Multi-Ring Under Quasi-Static And Dynamic Loading

Unakrishnan, Vinesh (2017) An Experimental Investigation Of Multi-Ring Under Quasi-Static And Dynamic Loading. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Energy absorbers play an important role in reducing the amount of impact subjected to structure to ensure the safety of the human in that structure. Rings are good energy absorbers since it is low in cost and addition of internal rings make it a better energy absorber when subjected to lateral loading. Two types of experiment were conducted which were the tensile test and compression test. Tensile test was conducted to determine the mechanical properties of the mild steel and compression test consisting of quasi-static loading and dynamic loading was conducted onto the ring to determine the energy absorbing capacity. Comparisons were made experimentally between multi ring and single ring under quasi-static loading and dynamic loading and motion recording were done using a camera for the respective experiments. A mild steel multi-ring consisting of four internal rings were fabricated in this project. The energy absorbing capacity was obtained from the area under the graph until the plateau zone. It was proven that multi-ring has a better energy absorbing capacity than single ring when it was quasi-statically loaded and dynamically loaded since there is an addition of constraints.

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