Edgewise and flatwise compressive behaviour of foam-filled sandwich panels with 3-D high density polyethylene skins
Sharafi, P.; Nemati, S.; Samali, B.; Mousavi, A.; Khakpour, S.; Aliabadizadeh, Y. (2018-03-28)
Sharafi, P., Nemati, S., Samali, B., Mousavi, A., Khakpour, S., & Aliabadizadeh, Y. (2018). Edgewise and flatwise compressive behaviour of foam-filled sandwich panels with 3-D high density polyethylene skins. Engineering Solid Mechanics, 285–298. https://doi.org/10.5267/j.esm.2018.3.005
© 2018 by the authors; licensee Growing Science, Canada. This is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC-BY) license (http://creativecommons.org/licenses/by/4.0/).
https://creativecommons.org/licenses/by/4.0/
https://urn.fi/URN:NBN:fi-fe2019062521818
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Abstract
In this paper, the edgewise and flatwise compressive behaviour of an innovative sandwich panel, mainly developed for quick assembly of post-disaster housing as well as load bearing panels for pre-fabricated modular construction and semi-permanent buildings, is investigated experimentally and by finite element modelling. The panel is composed of two 3-D high-density polyethylene (HDPE) sheets as the skins, filled with high-density Polyurethane (PU) foam as the core. HDPE sheets manufactured with a studded surface considerably enhance the stress distribution and buckling performance of the sandwich panel. Material characterisation tests and flatwise compression and edgewise compression experiments were performed in accordance with ASTM standards to evaluate the compressive strength and the load-carrying behaviour of the sandwich panels. A finite element analysis and validation were also conducted to model the compressive behaviour of sandwich structures. Results demonstrate that the developed sandwich panel exhibits very good compressive performance
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