不同模量纤维的工程胶凝复合材料力学性能研究

IF 0.5 4区工程技术 Q4 CONSTRUCTION & BUILDING TECHNOLOGY

Cement Wapno Beton Pub Date : 2021-01-01 DOI:10.32047/cwb.2021.26.6.4

A. R. Krishnaraja, M. Harihanandh, S. Anandakumar

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引用次数: 0

摘要

在这项研究中，通过加入两种不同的纤维，努力提高工程胶凝复合材料(ECC)的性能。研究了5种不同的配比，其中3种配比为单一纤维，体积分数为2.0%，另外2种配比为两种纤维。混合ECC比例是通过低模量纤维[聚乙烯醇纤维]和高模量纤维[钢和玻璃纤维]的混合物来组织的。用金属纤维、玻璃纤维和聚乙烯醇纤维配制成三种配比。以2.0%的体积分数加入2/3的聚乙烯醇纤维和1/3的金属纤维，同时加入2/3的聚乙烯醇纤维和1/3的玻璃纤维。该方法对ECC混合料的拉伸和弯曲性能具有良好的测试成功率。由此得出，在2.0%体积分数下，聚乙烯醇纤维的2/3分数和玻璃纤维的1/3分数表现出合理的性能。

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Mechanical performance of engineered cementitious composites developed with different modulus fibers

In this study, an effort was taken to progress the performance of Engineered Cementitious Composites [ECC] mix, by incorporating two different fibers. Five different proportions were subjected to investigation, in this three different proportions were developed with single fiber with 2.0% volume fraction, other two proportions were with two types of fibers. Hybrid ECC proportions were organized through the mixture of low-modulusfibers [poly(vinyl alcohol) fiber] and high-modulus fibers [steel and glassfibers]. Three proportions were made with metallic, glassfiber and poly vinyl alcohol fiber. The hybridation proportions were made with a 2/3 fraction of poly vinyl alcohol fiber and 1/3 fraction of the metal fiber in 2.0% of volume fraction and accompanied with poly vinyl alcoholfiber 2/3 fraction and 1/3 fraction of glass fiber. This procedure has a good rate of success in tensile and bending behavior of ECC mix. From this effort, it was concluded that poly(vinyl alcohol) fiber 2/3 fraction and 1/3 fraction of glass fiber in 2.0% volume fraction, displayed reasonable traits.

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来源期刊

Cement Wapno Beton CONSTRUCTION & BUILDING TECHNOLOGY-MATERIALS SCIENCE, COMPOSITES

CiteScore

1.30

自引率

28.60%

发文量

审稿时长

>12 weeks

期刊介绍： The Publisher of the scientific bimonthly of international circulation, entitled "Cement-Wapno-Beton" ["Cement-Lime-Concrete"], is the Fundacja Cement, Wapno, Beton [Foundation Cement, Lime, Concrete]. The periodical is dedicated to the issues concerning mineral setting materials and concrete. It is concerned with the publication of academic and research works from the field of chemistry and technology of building setting materials and concrete