Effect of width–thickness ratio on capacity of pultruded square hollow polymer columns
Article
Article Title | Effect of width–thickness ratio on capacity of pultruded square hollow polymer columns |
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ERA Journal ID | 4267 |
Article Category | Article |
Authors | Xie, Lei, Bai, Yu, Qi, Yujun, Caprani, Colin and Wang, Hao |
Journal Title | Proceedings of the Institution of Civil Engineers: Structures and Buildings |
Journal Citation | 171 (11), pp. 842-854 |
Number of Pages | 13 |
Year | 2018 |
Publisher | ICE Publishing |
Place of Publication | United Kingdom |
ISSN | 0965-0911 |
1751-7702 | |
Digital Object Identifier (DOI) | https://doi.org/10.1680/jstbu.16.00227 |
Web Address (URL) | https://www.icevirtuallibrary.com/doi/10.1680/jstbu.16.00227 |
Abstract | Width–thickness ratio is an important geometric parameter in the local buckling of plates and, therefore, also for columns with square hollow sections (SHS). This paper reports on an investigation into the effects of width–thickness ratio (b/t) on the failure modes and load-carrying capacities of SHS columns made from pultruded glass fibre reinforced polymer (PFRP). Two SHS columns, with b/t = 10·7 or 15·9 were examined under axial compression. The experimental results revealed that local buckling occurred in the 15·9 section but not in the 10·7 section. From a theoretical analysis, a formulation of critical width–thickness values was established at the boundaries between failure modes of the columns under compression, considering the different boundary conditions of the side plates. It is commonly understood that global buckling occurs in columns with higher non-dimensional slenderness. This is only true when the width–thickness ratio is less than the derived critical value. The experimental results from this study and previous works are consistent with the developed theoretical estimations of the failure modes and load-carrying capacities for PFRP SHS columns, considering the effects of both non-dimensional slenderness and width–thickness ratio. |
Keywords | columns; composite structures; design methods & aids |
Contains Sensitive Content | Does not contain sensitive content |
ANZSRC Field of Research 2020 | 401602. Composite and hybrid materials |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
Byline Affiliations | Monash University |
Nanjing Tech University, China | |
Centre for Future Materials |
https://research.usq.edu.au/item/zqvqq/effect-of-width-thickness-ratio-on-capacity-of-pultruded-square-hollow-polymer-columns
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