聚丙烯、黄麻和椰壳纤维对纤维增强混凝土抗压和抗拉强度的影响

IF 1.7 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of the Mechanical Behavior of Materials Pub Date : 2023-01-01 DOI:10.1515/jmbm-2022-0263

Khawaja Adeel Tariq, Jamil Ahmad, Syed Ali Husnain, Muhammad Sufyan Ijaz

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引用次数: 0

摘要

摘要本课题研究的是在混凝土中使用环保型材料，如椰胶纤维、聚丙烯纤维和黄麻纤维。经济型钢筋混凝土是通过使用纤维绳减少钢筋直径来生产的。我们研究了纤维增强混凝土的抗压和抗弯强度。在本研究中，混凝土配合比是用椰壳纤维配制的。虽然没有使用传统的钢筋，但在恒定的水胶比下，聚丙烯纤维和黄麻纤维绳索与钢筋的组合对钢筋混凝土的性能进行了研究。这些纤维绳借助Zepoxy 300缠绕在钢筋上，使纤维绳与钢筋正确粘合。结果表明，纤维的掺入可以提高混凝土的性能。在混凝土中加入钢筋后，纤维绳的抗折强度和抗压强度分别提高了6%和7%。此外，还观察到混凝土中纤维的加入改变了钢筋混凝土梁的开裂模式。

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Influence on compressive and tensile strength properties of fiber-reinforced concrete using polypropylene, jute, and coir fiber

Abstract This research work is related to the use of environment friendly materials like fibers of coir, polypropylene and jute in concrete. An economical reinforced concrete is produced by reducing the diameter of steel bar by using fiber ropes. We have examined the compressive and flexural strength of fiber-reinforced concrete. In this study, concrete mix is prepared by using coir fibers. Although instead of using only conventional steel bars, reinforced concrete behavior was investigated with the combination of polypropylene fiber and jute fiber ropes along with steel bars for a constant water binder ratio. These fiber ropes are wound around steel bar with the help of Zepoxy 300 for proper bonding of fiber ropes and steel bar. The results demonstrate that properties of concrete are enhanced by using fibers. Fiber ropes with steel bar in coir concrete increased the flexural strength and compressive strength by 6 and 7%, respectively. Furthermore, it is observed that the addition of fibers in concrete changes the cracking pattern of reinforced concrete beams.

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来源期刊

Journal of the Mechanical Behavior of Materials Materials Science-Materials Science (miscellaneous)

CiteScore

3.00

自引率

11.10%

发文量

审稿时长

30 weeks

期刊介绍： The journal focuses on the micromechanics and nanomechanics of materials, the relationship between structure and mechanical properties, material instabilities and fracture, as well as size effects and length/time scale transitions. Articles on cutting edge theory, simulations and experiments – used as tools for revealing novel material properties and designing new devices for structural, thermo-chemo-mechanical, and opto-electro-mechanical applications – are encouraged. Synthesis/processing and related traditional mechanics/materials science themes are not within the scope of JMBM. The Editorial Board also organizes topical issues on emerging areas by invitation. Topics Metals and Alloys Ceramics and Glasses Soils and Geomaterials Concrete and Cementitious Materials Polymers and Composites Wood and Paper Elastomers and Biomaterials Liquid Crystals and Suspensions Electromagnetic and Optoelectronic Materials High-energy Density Storage Materials Monument Restoration and Cultural Heritage Preservation Materials Nanomaterials Complex and Emerging Materials.