Abstract
Wood sawdust and chips, as carpentry processes remains, are introduced as alternatives for filling mediums in energy mitigation systems. The natural, economical and environment friendly material, wood, is modeled and its interaction with the collapse of tubes, typical energy absorption elements, has been considered. Compression tests on wood sawdust were used to extract its mechanical properties and the results of which have been used in the validation of the analytical models. The collapse of PVC tubes, filled with wood sawdust of different grades and densifications, has been analyzed considering multi-lobe mode, concertina mode and mixed mode. In these models, the interaction of wood sawdust filler on the final mode of collapse of PVC tubes has been incorporated and the final values of the mean crushing load show favourable results.
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