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Composite properties of high-strength polyethylene fiber-reinforced cement and cementless composites

机译：高强度聚乙烯纤维增强水泥与非水泥复合材料的复合性能

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摘要

This paper presents an experimental study of the composite properties of cement based- and alkali activated ground-granulated blast furnace slag (GGBS) based composites reinforced by high-strength polyethylene fibers and a discussion of the different behaviors of the two types of binder-based composites. A series of experiments, including those to test the density, compression, and uniaxial tension, was performed to characterize the mechanical properties of the composite. The test results indicated that an alkali-activated GGBS composite shows a higher tensile strain capacity with smaller crack widths and crack spacings than a cement-based composite, although the alkali-activated GGBS composite showed lower compressive and lower tensile strength than the cement-based composite with the same water-to-binder ratio. It was also observed that the alkali-activated GGBS-based composite has higher ratio of the tensile strength to the compressive strength than the cement-based composite. (C) 2015 Elsevier Ltd. All rights reserved.
机译：本文对高强度聚乙烯纤维增强水泥基和碱活化的高炉矿渣（GGBS）基复合材料的复合性能进行了实验研究，并讨论了两种粘合剂基复合材料的不同性能。复合材料。进行了一系列实验，包括测试密度，压缩和单轴张力的实验，以表征复合材料的机械性能。测试结果表明，碱活化的GGBS复合材料比水泥基的复合材料具有更高的拉伸应变能力，且裂缝宽度和裂缝间距较小，尽管碱活化的GGBS复合材料的抗压强度和抗张强度较低。水灰比相同的复合材料。还观察到，碱活化的GGBS基复合材料比水泥基复合材料具有更高的拉伸强度与压缩强度之比。 （C）2015 Elsevier Ltd.保留所有权利。

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  • 来源
    《Composite Structures》 |2016年第3期|116-121|共6页
  • 作者

    Choi Jeong-Il; Song Keum-Il; Song Jin-Kyu; Lee Bang Yeon;

  • 作者单位

    Chonnam Natl Univ, Sch Architecture, 77 Yongbong Ro, Gwangju 61186, South Korea;

    Chonnam Natl Univ, Sch Architecture, 77 Yongbong Ro, Gwangju 61186, South Korea;

    Chonnam Natl Univ, Sch Architecture, 77 Yongbong Ro, Gwangju 61186, South Korea;

    Chonnam Natl Univ, Sch Architecture, 77 Yongbong Ro, Gwangju 61186, South Korea;

  • 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

    Alkali-activator; Cement; Composite; Polyethylene fiber; Slag;

    机译：碱活化剂;水泥;复合材料;聚乙烯纤维;矿渣;

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