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単層板破壊を考慮したCFRP箱形断面梁の耐荷力と変形の検討

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Title: 単層板破壊を考慮したCFRP箱形断面梁の耐荷力と変形の検討
Other Titles: Study on the Failure Load and Deformation of CFRP Box Beams Based on the Fracture of Individual Laminas
Authors: 松本, 高志1 Browse this author →KAKEN DB
三重野, 嵩之2 Browse this author
櫻庭, 浩樹3 Browse this author
Authors(alt): Matsumoto, Takashi1
Mieno, Takayuki2
Sakuraba, Hiroki3
Keywords: CFRP
box beam
flexure
laminate structure
lamina fracture
Issue Date: 2013
Publisher: 土木学会
Journal Title: 土木学会論文集A2(応用力学)
Volume: 69
Issue: 2
Start Page: I_653
End Page: I_664
Abstract: This paper presents a study on the failure load and deformation of CFRP box beams based on the fracture of individual laminas. Two different CFRP laminate structures are tested and analyzed: quasi isotropic (QI) and cross ply (CP) laminate. Nonlinear constitutive law is obtained by considering the fracture of individual laminas, and the law is implemented into a fiber model to obtain the failure load of the beams. The fiber model is also used to obtain the flexural deformation of the beams, while Timoshenko beam is referred to obtain the shear deformation. Analysis shows a good agreement on the failure load and load-displacement relation of the two kinds of beams which show a different flexural response.
Type: article
URI: http://hdl.handle.net/2115/53738
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 松本 高志

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