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首页> 外文期刊>Magazine of Concrete Research >Flexural behaviour of GFRP-encased concrete panels
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Flexural behaviour of GFRP-encased concrete panels

机译：GFRP包裹混凝土面板的抗弯性能

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摘要

A combined experimental, analytical and numerical study of glass fibre-reinforced polymer (GFRP)-encased concrete panels is conducted to evaluate their flexural behaviour in both longitudinal and transverse directions; the results for conventional reinforced concrete (RC) panels with the same dimensions are also presented for the sake of comparison. The experimental results indicate that the GFRP-encased concrete panels provide a significant enhancement in load-carrying capacity, as compared with conventional RC panels. An analytical model is also proposed to predict the flexural behaviour of GFRP-encased concrete panels. The moment-curvature relationship is first numerically established by application of strain compatibility and force equilibrium equations, and the deflection is then obtained by the curvature-area method. Numerical finite-element analysis (FEA) is then performed to simulate flexural behaviour of GFRP-encased concrete panels under four-point bend loading. Finally, the experimental results are compared with those of the proposed analytical models and FEA, and good agreements are obtained in the longitudinal direction. The results in the transverse direction are also discussed. The proposed hybrid GFRP-encased concrete panels demonstrate their effectiveness and potential as floors and walls in buildings and decks in bridges.
机译：进行了玻璃纤维增​​强聚合物（GFRP）包裹混凝土面板的实验，分析和数值研究的组合，以评估其在纵向和横向上的弯曲行为。为了比较，还介绍了具有相同尺寸的常规钢筋混凝土（RC）面板的结果。实验结果表明，与传统的RC板相比，GFRP包裹的混凝土板在承载能力上有显着提高。还提出了一种分析模型来预测GFRP包裹的混凝土板的弯曲行为。首先通过应用应变相容性和力平衡方程数值建立弯矩-曲率关系，然后通过曲率面积法获得挠度。然后进行数值有限元分析（FEA），以模拟四点弯曲荷载下GFRP包裹的混凝土面板的弯曲行为。最后，将实验结果与所提出的分析模型和有限元分析进行了比较，并在纵向上取得了良好的一致性。还讨论了横向结果。拟议中的混合GFRP包裹混凝土面板证明了其作为建筑物的地板和墙壁以及桥梁的甲板的有效性和潜力。

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  • 来源
    《Magazine of Concrete Research》 |2018年第24期|1265-1279|共15页
  • 作者

    Qiao Pizhong; Liu Qinghui; Lu Zheng; Wang Zhanji;

  • 作者单位

    Shanghai Jiao Tong Univ, Collaborat Innovat Ctr Adv Ship & Deep Sea Explor, Sch Naval Architecture Ocean & Civil Engn, State Key Lab Ocean Engn, Shanghai, Peoples R China;

    Shanghai Jiao Tong Univ, Collaborat Innovat Ctr Adv Ship & Deep Sea Explor, Sch Naval Architecture Ocean & Civil Engn, State Key Lab Ocean Engn, Shanghai, Peoples R China;

    Shanghai Jiao Tong Univ, Collaborat Innovat Ctr Adv Ship & Deep Sea Explor, Sch Naval Architecture Ocean & Civil Engn, State Key Lab Ocean Engn, Shanghai, Peoples R China;

    Shanghai Jiao Tong Univ, Collaborat Innovat Ctr Adv Ship & Deep Sea Explor, Sch Naval Architecture Ocean & Civil Engn, State Key Lab Ocean Engn, Shanghai, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    precast concrete; structural analysis; testing, structural elements;

    机译：预制混凝土;结构分析;测试;结构要素;

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