含玄武岩纤维的磷酸镁水泥的力学性能

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.2021.26.3.5
A. Pehlivan
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引用次数: 1

摘要

本试验研究了玄武岩纤维对磷酸镁水泥力学性能的影响。介绍了抗压强度、劈裂抗拉强度、抗弯强度和弹性模量。结果表明,硅灰的加入显著提高了材料的力学性能,特别是随着玄武岩纤维含量的增加,材料的劈裂抗拉强度和抗弯强度均有所提高。然而,对于不添加硅粉的混合物,高纤维含量对机械性能有不利影响。发现硅灰的加入对增强玄武岩纤维与MPC基体之间的结合机制有显著作用。因此,硅灰与玄武岩纤维的复合使用是有效的。氧化镁与磷酸二氢铵的摩尔比为8时,与摩尔比为6时相比,观察到的结果更好,然而,当硅灰加入到这两种混合物中时,这种区别不是很明显。
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Mechanical properties of magnesium phosphate cement incorporating basalt fibers
In this experimental study, the effect of basalt fibers on the mechanical properties of magnesium phosphate cement [MPC] was investigated. Compressive strength, splitting tensile strength, flexural strength and modulus of elasticity, were introduced. It was observed that mechanical properties were significantly enhanced with the addition of silica fume, especially splitting tensile and flexural strength were enhanced with the increase of basalt fibers. However, for mixtures without silica fume addition, high content of fibers adversely affected the mechanical properties. Silica fume addition was found to be significant in increasing the bonding mechanism between basalt fibers and the MPC matrix. Thus, combined usage of silica fume and basalt fibers was found to be effective. A molar ratio of magnesia to ammonium dihydrogen phosphate of 8 was observed to have better results with respect to a molar ratio of 6, however, this distinction was not very apparent, when silica fume was added to both mixtures.
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来源期刊
Cement Wapno Beton
Cement Wapno Beton CONSTRUCTION & BUILDING TECHNOLOGY-MATERIALS SCIENCE, COMPOSITES
CiteScore
1.30
自引率
28.60%
发文量
0
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
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