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VaRTM 成形による箱形断面CFRP 梁の曲げ挙動に及ぼす積層構成の影響

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Title: VaRTM 成形による箱形断面CFRP 梁の曲げ挙動に及ぼす積層構成の影響
Authors: 櫻庭, 浩樹 Browse this author
松本, 高志 Browse this author →KAKEN DB
堀本, 歴 Browse this author
林川, 俊郎 Browse this author →KAKEN DB
Keywords: CFRP
box beam
laminate structure
VaRTM method
VaRTM 成形
Issue Date: Mar-2012
Publisher: 土木学会
Journal Title: 構造工学論文集 A
Volume: 58
Start Page: 946
End Page: 958
Publisher DOI: 10.11532/structcivil.58A.946
Abstract: This paper presents an experimental study on the flexural behavior of CFRP box beams with two laminate structures fabricated by VaRTM method. The two laminate structures are a cross-ply (CP) and a quasi-isotropic (QI). Three specimens are prepared for each laminate structure. The specimens are tested under four point bending. The bending tests show that initial stiffness of each specimen corresponds to the one calculated by Timoshenko’s beam theory and that the two laminate structures affect longitudinal normal strain and in-plane shear strain. QI exhibits higher flexural strength than CP, and they fail with different failure modes. Moreover, it is shown that the flexural strength calculated based on beam theory and Tsai-Wu criterion agrees relatively with the experimental one.
Type: article (author version)
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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