PVA和钢纤维及钢纤维之间混杂对混凝土弯曲韧性的影响

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发布时间：2020-01-06 00:00:00

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PVA和钢纤维及钢纤维之间混杂对混凝土弯曲韧性的影响

Influence of PVA Mixed with Steel Fiber and Steel Fiber on Flexural Toughness of Concrete

混杂纤维；聚乙烯醇纤维；钢纤维；混凝土抗弯强度；弯曲韧性

Hybrid fiber; PVA fiber; Steel fiber concrete; Bending strength; Flexural toughness

２０17年第3期

1000-4637（2017）03-50-05

江苏省青年基金项目（BK20141012）

刘传科，刘建忠，崔巩，周华新，黄刚

高性能土木工程材料国家重点实验室江苏省建筑科学研究院，南京 210008；江苏苏博特新材料股份有限公司，南京 211103

刘传科，刘建忠，崔巩，周华新，黄刚

刘传科,刘建忠,崔巩,等.PVA和钢纤维及钢纤维之间混杂对混凝土弯曲韧性的影响[J].混凝土与水泥制品,2017(3):50-54.

LIU C K, LIU JZ, CUI G,et al.Influence of PVA Mixed with Steel Fiber and Steel Fiber on Flexural Toughness of Concrete[J].China Concrete and Cement Products,2017(3):50-54.

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摘要：在已有单掺钢纤维和合成纤维混凝土的研究基础上，研究了聚乙烯醇纤维（PVA）和钢纤维混杂，及两种不同参数钢纤维混杂的增韧、增强效果。结果表明，相对于单掺纤维，不同纤维混杂可使混凝土的弯曲强度及弯曲韧性明显提高，荷载作用下混凝土弯曲荷载-挠度曲线的下降段明显变缓，应变硬化现象更为明显，混杂纤维可以产生协同增强效应。 Abstract: Based on the research of existing single steel fiber and synthetic fiber reinforced concrete，the effect of PVA fiber, steel fiber hybrid toughening effect and two different parameters of hybrid steel fiber on toughening， reinforcing were studied. The results showed that different characteristics of the fiber mixed together can significantly improve the bending strength of concrete and flexural toughness when compared with the single fiber，the flexural load-deflection curves of concrete falling speed is slow and the strain hardening phenomenon is more obvious，hybrid fiber can produce synergistic effects.

英文名 : Influence of PVA Mixed with Steel Fiber and Steel Fiber on Flexural Toughness of Concrete

刊期 :

关键词 : 混杂纤维；聚乙烯醇纤维；钢纤维；混凝土抗弯强度；弯曲韧性

Key words : Hybrid fiber; PVA fiber; Steel fiber concrete; Bending strength; Flexural toughness

刊期 : ２０17年第3期

DOI :

文章编号 : 1000-4637（2017）03-50-05

基金项目 : 江苏省青年基金项目（BK20141012）

作者 : 刘传科，刘建忠，崔巩，周华新，黄刚

单位 : 高性能土木工程材料国家重点实验室江苏省建筑科学研究院，南京 210008；江苏苏博特新材料股份有限公司，南京 211103

刘传科，刘建忠，崔巩，周华新，黄刚

刘传科,刘建忠,崔巩,等.PVA和钢纤维及钢纤维之间混杂对混凝土弯曲韧性的影响[J].混凝土与水泥制品,2017(3):50-54.

LIU C K, LIU JZ, CUI G,et al.Influence of PVA Mixed with Steel Fiber and Steel Fiber on Flexural Toughness of Concrete[J].China Concrete and Cement Products,2017(3):50-54.

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摘要

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引用本文

Abstract: Based on the research of existing single steel fiber and synthetic fiber reinforced concrete，the effect of PVA fiber, steel fiber hybrid toughening effect and two different parameters of hybrid steel fiber on toughening， reinforcing were studied. The results showed that different characteristics of the fiber mixed together can significantly improve the bending strength of concrete and flexural toughness when compared with the single fiber，the flexural load-deflection curves of concrete falling speed is slow and the strain hardening phenomenon is more obvious，hybrid fiber can produce synergistic effects.

关键词:

混杂纤维；聚乙烯醇纤维；钢纤维；混凝土抗弯强度；弯曲韧性

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