Sandwich panels with holes

A.J.M. Jorissen, L.J.J. Castelijns, J.L.G. Van Rie, H. Hofmeyer

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To increase insight in the behaviour of non-reinforced sandwich panels with openings, experiments, finite element simulations and analytical models have been developed and compared. Analytical models have been developed to determine the global deformations of sandwich panels without cracks. These models are based on Timoshenko-beams and solutions are obtained based on closed form solutions and the matrix method. Two dimensional numerical simulations lead to stress concentration factors, which are used to obtain peak bending stresses in the faces at the corners of the opening in panels which are loaded by bending. The results of the analytical models and two dimensional numerical simulations are comparable with the results of a complete three dimensional FE model of a sandwich panel which is loaded by bending. Experiments comprise a modified Nordtest [5] that show that the chipboard, used for panel faces, does not fail but shows (safe) softening. With the help of the energy balance, the behaviour of panels with cracks can be determined.
Original languageEnglish
Title of host publicationProceedings of the World Conference on Timber (WCTE) 2014, 10-14 August 2014, Quebec, Canada
EditorsA Salenikovich
Place of PublicationQuebec city
Publication statusPublished - 2014
Event2014 World Conference on Timber Engineering (WCTE 2014) - Quebec City, Canada
Duration: 10 Aug 201414 Aug 2014


Conference2014 World Conference on Timber Engineering (WCTE 2014)
Abbreviated titleWCTE 2014
CityQuebec City
OtherWCTE 2014 World Conference on Timber Engineering


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