Experimental research for the effect of high temperature on the mechanical properties of steel fiber-reinforced concrete

Düğenci, Oğuz; Haktanır, Tefaruk; Altun, Fatih

doi:10.1016/j.conbuildmat.2014.11.005

Cited by 140 publications

(72 citation statements)

References 10 publications

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“…Also the variation in tangent and secant modulus of elasticity was in parallel with compressive strength. (Düğenci et al 2015) In high performance fiber reinforced concrete corrugated steel fibers are used for energy dissipation and also decrease the width of cracks more than the value of free shrinkage. Therefore it is useful for earthquake resistant design.…”

Section: Fibers In Plain Concretementioning

confidence: 99%

Fibers in Structural Concrete-a Critical Review

U.P.B.C.Sekhar¹,

Vengadeshwari²,

Reddy³

2016

IJMTER

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In this paper the recent progress and achievement in the application of fibers in concrete has been intensively investigated. Most of the conclusions on fibers are arrived at by conducting experiments on plain and reinforced concrete. The significance of this paper is in the collation of the research works reported to date in the area of fibers/hybrid fibers on plain, reinforced and prestressed concrete. Research efforts on the behavior of fiber reinforced high strength concrete in the area of prestressed concrete structures are limited. If the addition of fibers proves to improve the ductility and post crack strength of prestressed concrete, it would be a boon to the construction industry.

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Section: Fibers In Plain Concretementioning

confidence: 99%

Fibers in Structural Concrete-a Critical Review

U.P.B.C.Sekhar¹,

Vengadeshwari²,

Reddy³

2016

IJMTER

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“…Fibers control the cracking due to plastic and drying shrinkage [15][16][17][18]. Fibers increase the shear and punching resistance of concrete [19][20][21]. The micro fibers delay the growth of small cracks, while macro fibers improve the postcracking behaviour of concrete [14,[22][23].…”

Section: Introductionmentioning

confidence: 99%

Human Scalp Hair as Fiber Reinforcement in Cement Concrete

Meghwar

Khaskheli

Kumar

2020

Mehran Univ. res. j. eng. technol.

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The construction industry is the largest manufacturing industry, which produces concrete and other related materials for construction of infrastructure around the world, after the food production industry. This industry requires a lot of natural resources like aggregates, limestone etc. to produce finished product such as concrete and cement. These natural resources are limited and have to deplete one day, so alternate to these resources are required. On the other hand, this industry produces a large amount of waste material that creates environmental pollution. Thus, recycling the waste as potential raw material and to produce a usable product is the need of present era for sustainable construction. This study presents the quantitative analysis of HSH (Human Scalp Hair) as fibers in cement concrete. This study aims to investigate the behaviour of concrete in terms of their mechanical properties when HSH are used as fibers. A detailed investigation on two types of concrete specimens i.e. cylindrical (150 mm diameter and 300 mm height) and prism (150 mm depth, width and 600 mm length) made with a different proportion of HSH as fibers and concrete mix ratios, was carried out. In this study, various proportions of HSH added in concrete that includes 0%, 1%, 2% and 3% by weight of OPC (Ordinary Portland Cement). All specimens were cast at two concrete mix ratios i.e. 1:2:4 and 1:1.5:3 with 0.50 W/C (Water-Cement Ratio). Moreover, specimens were tested in UTM (Universal Testing Machine) at 28 days curing age, for splitting tensile strength and flexural strength of concrete. It was observed from the experimental analysis that there is an improvement in mechanical properties of concrete at specific percentage of HSH and reduction of workability and density with increasing percentages of HSH.

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“…The compressive strength loss in the temperature of 750°C is about 58% for GP concretes resulting in the disintegration of C–S–H gel and increase of the macro cracks. Düğenci et al reported the effect of high temperature on the compressive strength, modulus of elasticity, and toughness values of fiber‐concrete at different fiber ratios and concrete age. They explored that samples of 1.0% fiber additive revealed the lowest of compressive strength losses.…”

Section: Introductionmentioning

confidence: 99%

High temperature effect on the mechanical behavior of steel fiber reinforced self‐compacting concrete containing ground pumice powder

Karataş

Dener

Benli

et al. 2019

Structural Concrete

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This study reports the results of high temperature effects on the properties of steel fiber reinforced self-compacting concrete (SFRSCC) fabricated by replacing cement with ground pumice powder (GPP) as mineral additive at different substitution rates. The mixtures had the same amounts of steel fiber and the binding material with constant water to binder (w/b) ratio of 0.37. In this context, five SFRSCC series were prepared by replacing Portland cement (PC) with 5, 10, 15, and 20% of GPP including the control mix. Sixty cube samples with a dimension of 150 × 150 × 150 mm were fabricated and exposed to curing aged 3, 7, 28, and 90 days to conduct compressive strength tests and a total of 100 × 100 × 350 mm 18 beam samples cured at 28 days were fabricated to perform the flexural strength tests. Durability tests were performed on the 18 cube samples of 100 × 100 × 100 mm subjected to water curing at 28 days. In addition, the relation between the compressive strength and Ultrasonic Pulse Velocity (UPV) of SFRSCC samples was compared aged 1, 3, 14, and 28 days. Samples of SFRSCC were subjected to the temperatures of 200, 400, 600, and 800 C after being cured at 28 days then cooled to room temperature before conducting tests. The results revealed that the compressive strength of all SFRSCC mixes enhanced at 200 C by 5.34 and 3.55% for control and GPP10 mixes respectively. The strength loss of mixes incorporating GPP is about 60% at 800 C. K E Y W O R D Scompressive strength, elevated temperature, ground pumice powder, steel fiber reinforced selfcompacting concrete, UPV

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Experimental research for the effect of high temperature on the mechanical properties of steel fiber-reinforced concrete

Cited by 140 publications

References 10 publications

Fibers in Structural Concrete-a Critical Review

Fibers in Structural Concrete-a Critical Review

Human Scalp Hair as Fiber Reinforcement in Cement Concrete

High temperature effect on the mechanical behavior of steel fiber reinforced self‐compacting concrete containing ground pumice powder

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