Local Buckling Strength of Pultruded FRP I-Section with Various Mechanical Properties Compression MembersLocal Buckling Strength of Pultruded FRP I-Section with Various Mechanical Properties Compression Members
- Other Titles
- Local Buckling Strength of Pultruded FRP I-Section with Various Mechanical Properties Compression Members
- Authors
- 최진우; 주형중; 최원창; 윤순종
- Issue Date
- 2015
- Publisher
- 대한토목학회
- Keywords
- PFRP (Pultruded Fiber Reinforced Polymer Plastic); pultrusion process; local buckling; closed-form solution; fiber distribution; I-Section
- Citation
- KSCE Journal of Civil Engineering, v.19, no.3, pp.710 - 718
- Journal Title
- KSCE Journal of Civil Engineering
- Volume
- 19
- Number
- 3
- Start Page
- 710
- End Page
- 718
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/13963
- DOI
- 10.1007/s12205-013-0205-4
- ISSN
- 1976-3808
- Abstract
- Design of pultruded structural shapes is often governed by the local buckling because the pultruded structural shapes have lowstiffness and also cross-section of structural shapes is composed of plate components such as flange and web. Therefore, it isnecessary to investigate the effects of material properties variations in the cross-section for the local buckling strength because themechanical properties of the material are also a function of the local buckling strength. In this paper, closed-form local bucklinganalysis is conducted on the pultruded Fiber Reinforced Polymer plastic (FRP) I-section structural members under compression. Inthe analysis, mechanical property variations in the cross-section are also taken into account. It is also discussed that how thevariations of material properties in the cross-section affect the local buckling strength of pultruded FRP I-section structural member.
The published experimental results are used to validate the analytical results investigated in this study. From the result ofinvestigation, it was found that even though there are significant variations in the material properties in the cross-section of pultrudedFRP I-section members such material properties variations in the cross-section do not affect so much compared with the geometricalvariables, such as width-thickness ratio, in the local buckling strength of the member.
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