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形状记忆合金纤维在高延性水泥基复合材料中的黏结性能试验研究

杨曌 窦楠 董浩

杨曌, 窦楠, 董浩. 形状记忆合金纤维在高延性水泥基复合材料中的黏结性能试验研究[J]. 工业建筑, 2021, 51(9): 188-196. doi: 10.13204/j.gyjzG21022004
引用本文: 杨曌, 窦楠, 董浩. 形状记忆合金纤维在高延性水泥基复合材料中的黏结性能试验研究[J]. 工业建筑, 2021, 51(9): 188-196. doi: 10.13204/j.gyjzG21022004
YANG Zhao, DOU Nan, DONG Hao. EXPERIMENTAL RESEARCH ON BONDING PROPERTIES OF SHAPE-MEMORY ALLOY FIBERS IN HIGH DUCTILITY CEMENT-BASED COMPOSITES[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(9): 188-196. doi: 10.13204/j.gyjzG21022004
Citation: YANG Zhao, DOU Nan, DONG Hao. EXPERIMENTAL RESEARCH ON BONDING PROPERTIES OF SHAPE-MEMORY ALLOY FIBERS IN HIGH DUCTILITY CEMENT-BASED COMPOSITES[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(9): 188-196. doi: 10.13204/j.gyjzG21022004

形状记忆合金纤维在高延性水泥基复合材料中的黏结性能试验研究

doi: 10.13204/j.gyjzG21022004
基金项目: 

国家自然科学基金项目(51878522);湖北省自然科学基金项目(2019CFB540)。

详细信息
    作者简介:

    杨曌,男,1977年出生,博士,教授。

    通讯作者:

    窦楠,1160318395@qq.com。

EXPERIMENTAL RESEARCH ON BONDING PROPERTIES OF SHAPE-MEMORY ALLOY FIBERS IN HIGH DUCTILITY CEMENT-BASED COMPOSITES

  • 摘要: 高延性水泥基复合材料与超弹性形状记忆合金的协同工作能够提高结构的耗能能力及自修复能力。使用形状记忆合金纤维能够有效克服形状记忆合金棒材或绞线存在的一些问题,具有更广阔应用前景。将不同直径和不同端头形状的超弹性形状记忆合金纤维以不同深度埋入拉伸应变可达3%的高延性水泥基材料中制作了多组试验试件,并通过位移控制加载对其进行拉拔试验,得到了拉拔应力-应变曲线,分析了各因素对形状记忆合金纤维与高延性水泥基复合材料黏结性能的影响。结果表明:打结型端头能有效提高形状记忆合金纤维在高延性水泥基复合材料基体中的黏结强度,为形状记忆合金纤维发挥其超弹性提供足够锚固力,各类型打结型试件的最大拉拔应力均在900 MPa以上,最大可达到1 142.52 MPa,其中1.2 mm打结型形状记忆合金纤维埋深为40 mm的试件的受力性能良好,纤维利用率较高。
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出版历程
  • 收稿日期:  2021-02-20
  • 网络出版日期:  2022-01-11

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