The subject of the study is a sandwich plate-strip subjected to a four-point load. An analytical model of the strip was developed, taking into account the classical zig-zag theory, namely the broken line hypothesis. Three parts of the plate-strip are distinguished: two of them are the edge parts, where bending and the shear effect is considered, the third one is the middle part subjected to pure bending. The total maximum deflection of the plate-strip and the maximum deflection of the selected middle part of the plate-strip are calculated. The FEM-numerical study is carried out similarly to the analytical approach. The experimental study was carried out on the test stand in the Institute of Rail Vehicles TABOR. The analytical, numerical and experimental results are compared each with other. The sandwich panels can be used as parts of the floor or rail vehicle paneling.
Banhart J., Manufacture, characterisation and application of cellular metals and metal foams, Progress in Material Science, 46(6): 559–632, 2001.
Icardi U., Applications of Zig-Zag theories to sandwich beams, Mechanics of Advanced Materials and Structures. 10(1): 77–97, 2003.
Jasion P., Magnucki K., Face wrinkling of sandwich beams under pure bending, Journal of Theoretical and Applied Mechanics, 50(4): 933-941, 2012.
Jasion P., Magnucka-Blandzi E., Szyc W., Magnucki K., Global and local buckling of sandwich circular and beam-rectangular plates with metal foam core, Thin-Walled Structures, 61: 154-161, 2012.
Kozak J., Stalowe panele sandwicz w konstrukcjach okrętowych, Wyd. Politechniki Gdańskiej, Gdańsk 2018.
Magnucka-Blandzi E., Magnucki K., Effective design of a sandwich beam with a metal foam core, Thin-Walled Structures, 45(4): 432-438, 2007.
Magnucka-Blandzi E., Mathematical modelling of a rectangular sandwich plate with a metal foam core, Journal of Theoretical and Applied Mechanics, 49(2): 439–55, 2011.
Magnucki K., Szyc W. (Red.), Wytrzymałość i stateczność belek, i płyt trójwarstwowych z rdzeniem z pianki aluminiowej, Wyd. Politechniki Poznańskiej, Poznań 2012.
Magnucki K., Smyczynski M., Jasion P., Deflection and strength of a sandwich beam with thin binding layers between faces and a core, Archives of Mechanics, 65(4): 301-311, 2013.
Magnucki K., Jasion P., Magnucka-Blandzi E., Wasilewicz P., Theoretical and experimental study of a sandwich circular plate under pure bending, Thin-Walled Structures, 79: 1-7, 2014.
Magnucki K., Jasion P., Szyc W., Smyczyński M., Strength and buckling of a sandwich beam with thin binding layers between faces and a metal foam core, Steel and Composite Structures, 16(3): 325-337, 2014.
Magnucki K., Bending of symmetrically sandwich beams and I-beams – Analytical study, International Journal of Mechanical Science, 150: 411-419, 2019.
Paczos P., Wichniarek R., Magnucki K., Three-point bending of the sandwich beam with special structures of the core, Composite Structures, 201: 676–682, 2018.
Reddy J.N., (Second Ed.), Mechanics of laminated composite plates and shells: theory and analysis, CRC Press, Boca Raton London New York Washington, 2004.
Sayyad A.S., Ghugal Y.M., Bending, buckling and free vibration of laminated composite and sandwich beams: a critical review of literature, Composite Structures, 171: 486–504, 2017.
Vinson J.R., Sandwich structures, Applied Mechanics Reviews, ASME, 54(3), 201–214, 2001.
Journals System - logo
Scroll to top