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首页> 外文期刊>Composite Structures >Flexural stiffness characterization of fiber reinforced plastic (FRP) pultruded beams
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Flexural stiffness characterization of fiber reinforced plastic (FRP) pultruded beams

机译：纤维增强塑料（FRP）拉挤梁的抗弯刚度表征

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The design of GFRP beams is often governed by deflection limits in service, hence it becomes crucial to evaluate accurately their flexural stiffness. In this work, the flexural stiffness of GFRP pultruded profiles is evaluated experimentally, numerically and analytically. A procedure that simultaneously yields the flexural and the shear modulus of GFRP pultruded profiles directly from 3-point bending tests is applied. Direct tension and 3-point bending tests on coupons extracted from these profiles were also conducted. The TBT and the FEM were applied to analyze the profiles under bending, using material properties estimated by CLT. Comparisons of numerical, analytical and experimental results are presented and discussed at the end.
机译：GFRP梁的设计通常受使用中的挠曲极限控制，因此准确评估其抗弯刚度变得至关重要。在这项工作中，对GFRP拉挤型材的抗弯刚度进行了实验，数值和分析评估。采用了一种可以直接从三点弯曲试验中同时产生GFRP拉挤型材的弯曲模量和剪切模量的方法。还对从这些轮廓中提取的试样进行了直接拉伸和三点弯曲测试。使用CLT估算的材料特性，将TBT和FEM应用于弯曲下的轮廓分析。最后对数值，分析和实验结果进行了比较和讨论。

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