The effect of transverse shear deformation on the buckling of two-layer composite columns with interlayer slip
Schnabl, Simon (Author), Planinc, Igor (Author)

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This paper presents an efficient mathematical model for studying the buckling behavior of geometrically perfect elastic two-layer composite columns with interlayer slip between the layers. The present analytical model is based on the linearized stability theory and is capable of predicting exact critical buckling loads. Based on the parametric analysis, the critical buckling loads are compared to those in the literature. It is shown that the discrepancy between the different methods can be up to approximately 22%. In addition, a combined and an individual effect of pre-buckling shortening and transverse shear deformation on the critical buckling loads is studied in detail. A comprehensive parametric analysis reveals that generally the effect of pre-buckling shortening can be neglected, while, on the other hand, the effect of transverse shear deformation can be significant. This effect can be up to 20% for timber composite columns, 40% for composite columns very flexible in shear (pyrolytic graphite), while for metal composite columns it is insignificant. (C) 2011 Elsevier Ltd. All rights reserved.

Keywords:layered structures, interfacial strength, non-linear behaviour, buckling, interlayer slip
Tipology:1.01 - Original Scientific Article
Organization:FGG - Faculty of Civil and Geodetic Engineering
Number of pages:str. 543-553
Numbering:Letn. 46, št. 3
ISSN on article:0020-7462
DOI:10.1016/j.ijnonlinmec.2011.01.001 Link is opened in a new window
COBISS.SI-ID:5249121 Link is opened in a new window
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Record is a part of a journal

Title:International journal of non-linear mechanics
Shortened title:Int. j. non-linear mech.
COBISS.SI-ID:25650432 This link opens in a new window

Secondary language

Keywords:slojevite konstrukcije, trdnost stika, nelinearno obnašanje, uklon, zdrs

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