To provide a structure member that is able to obtain a high vibration attenuation effect during flexure load input while restricting a mass increase.SOLUTION: A bar member 210 in a reinforcement member is made of CFRP and is a hollow structure member having an internal space 210a. The bar member 210 has bar structure members 213 to 216. Each of the bar structure members 213 to 216 has a hat-like cross-sectional shape. The internal space 210a is provided with four internal closed cross-sectional parts 210b to 210e. The internal closed cross-sectional part 210b is a closed cross-sectional part having a corner part 213a as a ridge line, the internal closed cross-sectional part 210c is a closed cross-section part having a corner part 213b as a ridge line, the internal closed cross-sectional part 210d is a closed cross-section part having a corner part 214a as a ridge line, and the internal closed cross-sectional part 210e is a closed cross-section part having a corner part 214b as a ridge line.SELECTED DRAWING: Figure 5
【課題】質量増加を抑制しながら、曲げ荷重入力時における高い振動減衰効果を得ることができる構造部材を提供する。【解決手段】補強部材におけるバー部材210は、CFRP製であって、内部空間210aを有する中空構造の部材である。バー部材210は、バー構成部材213〜216を有する。各バー構成部材213〜216は、ハット状の断面形状を有する。内部空間210aには、4つの内部閉断面部210b〜210eが設けられている。内部閉断面部210bは、角部213aを稜線とする閉断面部であり、内部閉断面部210cは、角部213bを稜線とする閉断面部であり、内部閉断面部210dは、角部214aを稜線とする閉断面部であり、内部閉断面部210eは、角部214bを稜線とする閉断面部である。【選択図】図5
STRUCTURE MEMBER
構造部材
28.05.2020
Patent
Elektronische Ressource
Japanisch
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