Bending Stiffness and Strength of Reinforcement Arrangements for CFRP Reinforced Glulam (AFRW)

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  • 炭素繊維強化プラスチックで補強した集成材 （AFRW） の補強材料配置の影響
  • タンソ センイ キョウカ プラスチック デ ホキョウ シタ シュウセイザイ(AFRW)ノ ホキョウ ザイリョウ ハイチ ノ エイキョウ

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<p>FRP reinforced glulam has been actively developed in USA and EU since 2000 to now. Our colleges also had developed AFRW (advanced fiber reinforced wood) in 2000, in Japan. We restarted to develop AFRW to help solve Japanese forestry problems, while aiming at future high quality timber buildings. Experiments aiming to lower the cost of AFRW were conducted with the parameters of CFRP reinforcement arrangements and the CFRP ratio, taking into account end joint processing. It was found that AFRW with only a bottom CFRP arrangement was economically effective when aiming at less than 1.5 times of bending stiffness, but AFRW with both top and bottom CFRP arrangement was economically effective when aiming at more than 1.7 times of bending stiffness. New types of CFRP arrangements for AFRW edges were developed, and were demonstrated to have the same mechanical properties as fully arranged CFRP sheets against the longitudinal and width directions of the AFRW.</p>

Journal

  • Mokuzai Gakkaishi

    Mokuzai Gakkaishi 65 (3), 148-157, 2019-07-25

    The Japan Wood Research Society

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