引抜成形GFRP溝形断面材の軸圧縮耐力に関する考察

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タイトル別名
  • STUDY ON AXIAL STRENGTH OF A CHANNEL-SHAPED PULTRUDED GFRP MEMBER
  • ヒキヌキ セイケイ GFRP ミゾガタ ダンメンザイ ノ ジク アッシュク タイリョク ニ カンスル コウサツ

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抄録

 Fiber reinforced polymers (FRP) are widely used in vehicle and aerospace applications because of their lightweight and high-strength characteristics. Additionally, FRPs are increasingly applied to building structures. However, the elastic modulus of glass fiber reinforced polymers (GFRPs) is lower than that of steel. Hence, the evaluating the buckling strength of GFRP members for design purpose is necessary. The buckling strength is determined by Euler buckling mode as well as local buckling. In this study, the compressive strength of a GFRP member was investigated under axial compression. The adopted GFRP member was a channel- shaped GFRP, which was molded via pultrusion, at various lengths. Furthermore, we confirmed that the axial strength of a GFRP member could be calculated by a theoretical evaluation method utilizing longitudinal elastic modulus and fiber volume fraction.

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