TITLE

Influence of boundary conditions on the critical and failure load in the GFPR channel cross-section columns subjected to compression

AUTHOR(S)
Urbaniak, Mariusz; Teter, Andrzej; Kubiak, Tomasz
PUB. DATE
March 2016
SOURCE
Solid State Phenomena;2016, Vol. 240, p212
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
This paper deals with experimental investigation of thin-walled GFRP laminate columns with channel cross-section subjected to compression. The specimens were C-shaped columns with length of l = 250 mm and following cross-section dimensions (width × height × thickness of the wall): 82 × 40 × 2.08 mm. All specimens were made of glass-epoxy unidirectional prepreg tape (GFPR). Each column was made as 8-ply laminate where the layers were arranged at various angles and they are as follow: [0/90/0/90/90/0/90/0] - further denoted as C1, [90/-45/45/0/0/45/-45/90] - C4 and [45/-45/45/-45/-45/45/-45/45] - C5. The aim was to investigate influence of boundary conditions on the critical and failure load. On the basis of the results, the critical values of loads were determined using the following methods: · the P-w² method, · the P-(e¹-e²) curve inflection point method.
ACCESSION #
109169875

 

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