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OALib Journal期刊
ISSN: 2333-9721
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纤维增强复合材料u型夹层板的弯曲性能
DOI: 10.3969/j.issn.1671-7627.2013.02.015, PP. 74-79
Keywords: 复合材料夹层结构,u型夹层板,弯曲试验
Abstract:
通过泡桐木芯材和纤维增强复合材料(frp)面板厚度不同的9组复合材料u型夹层板构件的3点弯曲性能试验,分析该类型组合板的弯曲性能、变形性能和破坏模式。研究表明:在截面高度、宽度、翼缘板与腹板夹角相同的情况下,随着芯材厚度和frp面板厚度的增加,复合材料u型夹层板的抗弯、抗剪能力相应提高。将试验得到的变形值与timoshenko梁方程计算值对比,发现在弹性范围内u型夹层板弯曲变形值与计算值较为吻合。
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