Effect of nylon fiber on mechanical properties of cement based mortar

Hanif, Iqra; Syuhaili, M. R. Noor; Hasmori, Muhammad Fikri; Shahmi, S M

doi:10.1088/1757-899x/271/1/012080

Cited by 17 publications

(10 citation statements)

References 6 publications

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“…This is because by adding NF in concrete the plasticity increases thus delaying the formation of cracks in concrete when load is applied. The similar trend results were also discussed by Hanif et al (2017) [25]. The maximum compressive strength of 50.8 MPa and spilt tensile strength of 5.02 MPa were obtained at 20 mm length and 0.5% of NF.…”

Section: Hardened Propertiessupporting

confidence: 81%

Effect of using Nylon Fibers in Self Compacting Concrete (SCC)

Lashari

Memon

2021

Civ Eng J

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The self-compacted concrete (SCC) is a special type of concrete which settles down in the formwork and fills its every corner without any use of compaction or vibration. As SCC has higher flow-ability that causes brittle behaviour resulting in poor performance under tension and bending. The inclusion of randomly distributed short and discrete fibers is one of the most effective way to improve the tensile as well as flexural performance of SCC. In this regard this experimental study is undertaken to investigate the effect of nylon fibers (NF) on fresh and hardened properties of SCC. Two different lengths; 20 mm and 12 mm and five different volumetric percentages; 0.1, 0.2, 0.3, 0.4 and 0.5% of NF were used. The results revealed that addition of NF slightly affects the fresh properties of SCC. However, the extent of the effect is not of that order to be considered as major factor. The fresh properties for entire mixes lie within the required range according to EFNARC guidelines. The strength properties increases with addition of NF, the extent of increment is greater for the longer length of NF. The optimum volumetric fraction of NF for producing high strength SCC was found as 0.5%. Doi: 10.28991/cej-2021-03091734 Full Text: PDF

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Section: Hardened Propertiessupporting

confidence: 81%

Effect of using Nylon Fibers in Self Compacting Concrete (SCC)

Lashari

Memon

2021

Civ Eng J

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“…Similarly, Nitin and S. Verma [33] concluded that adding nylon fiber by 1% of volume increases the crushing strength of concrete by 10% and tensile strength of concrete by 25%. An increase of up to 17% in crushing strength and up to 21% in tensile strength was witnessed with the water-binder ratio of 0.63 and nylon fibers in 0.5%, 1.5%, and 2.5% by weight fraction of cement mortars [34]. Moreover, the nylon fibers are also observed to be effective in enhancing the mechanical, microstructural, and durability properties of concretes prepared with recycled aggregates [35].…”

Section: Introductionmentioning

confidence: 90%

Experimental Study on Engineering Properties of Cement Concrete Reinforced with Nylon and Jute Fibers

et al. 2021

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The use of synthetic fiber and natural fiber for concrete production has been continuously investigated. Most of the materials have become popular for their higher flexibility, durability, and strength. However, the current study explores the engineering properties of cement concrete reinforced with nylon and jute fibers together. Varying proportions and lengths of nylon and jute fibers were utilized in the concrete mixture. Hence, the combined effects of nylon and jute fibers on workability, density, water absorption, compressive, tensile, flexural strength, and drying shrinkage of concrete were investigated. Results showed that concrete with 1% of nylon and jute fibers together by the volume fraction showed a maximum enhancement of the compressive strength, split tensile strength, and flexural strength by 11.71%, 14.10%, and 11.04%, respectively, compared to the control mix of concrete at 90 days. However, the water absorption of concrete increased with increasing nylon and jute fiber contents. The drying shrinkage of concrete decreased with the addition of nylon and jute fibers together after 90 days. Thus, the sparing application of both nylon and jute fiber as discussed in this study can be adopted for concrete production.

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“…Os resultados com fibras de polipropileno estão de acordo com as tendências encontradas por outros pesquisadores [8,29,30], no entanto, a porcentagem de fibras das adições usadas era diferente. Com as fibras de nylon, os resultados estão de acordo com o aumento da resistência à tração à flexão encontrada pela pesquisa de CORTEZ [23], SPADEA et al [42] e HANIF et al [45].…”

Section: Figura 3: Mev Das Amostras Das Séries Afp E Afnunclassified

Análise das propriedades físico-mecânicas de argamassas de revestimento com a incorporação de fibras de polipropileno e nylon

et al. 2020

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RESUMO É cada vez mais frequente a busca de novas misturas e materiais que venham a melhorar as propriedades das argamassas de revestimento e consequentemente seu desempenho em serviço, assim sendo, as fibras sintéticas surgem como uma possibilidade de um novo material a ser utilizado na composição das misturas. O estudo tem por objetivo a análise do comportamento das argamassas de revestimento com a incorporação de diferentes teores de fibras de polipropileno e de nylon. O programa experimental foi baseado na incorporação de 500, 900 e 1300 g/m³ de fibras de polipropileno e nylon em uma argamassa de referência com traço de 1:0,5:5 (cimento:cal:areia). Como parâmetro, foi fixada a quantidade de água utilizada em todas as argamassas produzidas, sendo acrescentado um aditivo plastificante quando necessário. Desta forma, este trabalho teve como objetivo analisar a influência da incorporação de diferentes teores de fibras de polipropileno e de nylon nas características físicas e propriedades mecânicas de argamassas em seu estado endurecido. Para tal, foram realizadas as análises de resistência à tração na flexão, resistência à compressão, módulo de elasticidade, dinâmico e estático, absorção de água por capilaridade e análise das características através de microscopia eletrônica por varredura. Os resultados indicam que as argamassas com incorporação de fibras de nylon apresentaram maiores valores de resistência à tração na flexão, compressão axial e menores valores de absorção de água por capilaridade. A análise das imagens obtidas pela microscopia das argamassas demonstrou que as argamassas com inserção de polipropileno apresentaram maior porosidade que as argamassas com adição de nylon. As argamassas com incorporação de fibras de polipropileno apresentaram menores valores de módulo de elasticidade dinâmico e estático, o que indica que estas argamassas possuem uma boa capacidade de sofrer deformações.

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Effect of nylon fiber on mechanical properties of cement based mortar

Cited by 17 publications

References 6 publications

Effect of using Nylon Fibers in Self Compacting Concrete (SCC)

Effect of using Nylon Fibers in Self Compacting Concrete (SCC)

Experimental Study on Engineering Properties of Cement Concrete Reinforced with Nylon and Jute Fibers

Análise das propriedades físico-mecânicas de argamassas de revestimento com a incorporação de fibras de polipropileno e nylon

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