Asbestos in Cement Concrete - Properties, Uses and Benefits

The strength of 0.75% fiber reinforced concrete is 6.27 MPa whereas that of conventional concrete is 5.13 MPa. By comparing the two, it can be clearly seen that there is an increase of 23% of flexural strength with the introduction of asbestos fiber in concrete to that of conventional concrete.

Effect of cavity preparation on the flexural strengths of

RESULTS. The mean flexural strength values of intact and repair groups are shown in Table 1.The result of 2-way ANOVA showed that there was a statistically significant difference for the effect of repair methods (p<0.001), the immersion periods (p<0.001) and the interaction between the two factors (p<0.001).

(PDF) Assessing the Bearing Capacity of Cast Laterite in

The Open Civil Engineering Journal, 2009, 3, 41-47 41 Open Access Assessing the Bearing Capacity of Cast Laterite in Compression and Flexure Adeola A Adedeji* Department of Civil Engineering, University of Ilorin, PMB 1515, Ilorin, Nigeria Abstract: This article examines the usability of the mixture of laterite and calcined (heated) gypsum or cast laterite as a residential building masonry ...

Strength of Normal Concrete Using Metallic and Synthetic

Effect of Mixing Fiber Cocktail on Flexural Strength of Concrete 2013 / Liaqat A. Qureshi, M. Ilyas Sheikh, Tahir Sultan Effects on Mechanical Properties of Industrialised …

Experimental Investigation on Flexural Performance of Hybrid

(2013). Effect of Mixing Fiber Cocktail on Flexural Strength of Concrete. Elsevier, Systems Engineering Procedia 54, 711-719, The 2nd International Conference on Rehabilitation and Maintenance in Civil Engineering. 10. Rashid Hameed, Anaclet Turatsinze, Frederic Duprat, and Alain Sellier (2010). Study on the Flexural

Experimental Study on Strength Parameters of Steel Fiber

strength is obtained at 0.3% of fiber at 3 and 7 days and at 0.2% of fiber at 28 days. The maximum split tensile strength and flexural strength are found to be at 0.2% of fiber for 7and 28 days. And workability and strength decreases with partially replacement of

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Flexural toughness of the test specimens and peak load deflection were measured and discussed indicating to what extent the un-coated PVA fibre can enhance the brittle-like behaviour of concrete. Results show that adding PVA fibres to the mix generally improves the mechanical properties of concrete. Regarding the strength, the optimum

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A concrete age of 3 days with normal mixture without fiber produce s 152.60 kg/cm2 flexural strength, while the flexural strength of concrete with the addition of 0.50% bendrat fiber is 2 08.40 kg/cm2, up 37.00% from the beginning and so does the addition of wire

Influence of polymer fibers on rheological properties of

To this end, this paper describes an investigation of the influence of synthetic fiber additions (fiber length in the range 12–50 mm and volume fraction in the range 0–4%) on the rheological properties of fiber reinforced fresh mortar (FRFM) and development of these properties over time. The rheometer Viskomat XL was used in this study.

Carbon Nanotube Effect on the Ductility, Flexural Strength

The authors tested the effect of different mixing durations of 1.5, 15, 30, and 60 minutes on the flexural strength of cement and CNT composites. It was shown that increasing the mixing duration of the paste that contained CNTs would result in better dispersion of the constituents and in having lower void percent at the microstructural scale.

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Effect of Steel Fibers on the Engineering Performance of Concrete

It was found that a considerable amount of fibers allowed self-compacting behavior. However, the composition of the reference mix would have some influences on the maximum possible fiber content. THE EFFECT OF STEEL FIBER ON COMPRESSIVE, SPLITTING TENSILE AND FLEXURAL STRENGTH OF CONCRETE

The Effect of Adding Glass and Polyethylene Fibers on

How to cite this article: Farahnaz Sharafeddin, Afsoon Tondari and AliAsghar Alavi, 2013. The Effect of Adding Glass and Polyethylene Fibers on Flexural Strength of Three Types of Glass-Ionomer Cements.

Fiber Reinforced Concrete (FRC)

Fiber-Reinforced Concrete Professor Kamran M. Nemati Winter Quarter 2015 6 Concrete Technology 11 Fiber-Reinforced Concrete (FRC) Examination of fractured specimens of fiber-reinforced concrete shows that failure takes place primarily due to fiber pull-out or debonding. Thus unlike plain concrete, a fiber-reinforced concrete

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Effect of Steel-fiber Distribution on Flexural Strength and

The specimens were air-cured for 7 days and tested for flexural strength. The influence of steel-fiber distribution on flexural strength and toughness of shotcrete-mimicked concrete specimens was investigated. In the case of a specimen with cement ratio of 20%, a flexural strength increased as a number of fiber-reinforced layer increased.

Mechanical Properties of Glass Fiber Reinforced Concrete

strength and young `s modulus. The investigation is designed to find out the effect of glass fiber content (0, 600, 1000, and 1400) gm/m3 on the mechanical properties of glass fiber reinforced concrete and mortar at 28 and 14 days respectively. The results indicate

The insert effect of cellulose nanofiber layer on glass fiberâ reinforced plastic laminates and their flexural

Figure 5 shows the flexural stress–strain curves of the extremely slight CNF (0.04 wt%) dispersed epoxy resin com-posite plate. It is noticeable that the flexural strength and fracture elongation of the epoxy resin is drastically increased to 130% and 180% ...

Effect of Fiber Volume Fraction on Compressive and Flexural

The purpose of this study is to investigate the compressive and flexural properties of high-strength steel fiber reinforced concrete (SFRC). For this purpose, a total of 5 mixture whose variable is fiber volume fraction, were made and tested in a range of high strength with 70MPa.

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Enhancement of Rigid Pavement Capacity Using Synthetic

The elastic modulus of rupture, which has calculated depending on ASTM C78 formula does not reflect the benefits of the synthetic fiber. The effective modulus of rupture (MOR') has been proposed to quantify the added capacity of fibers over unreinforced concrete, which is calculated depending on the equivalent flexural strength.

Effect of Mixing Fiber Cocktail on Flexural Strength

AbstractThe objective of this study was to examine the effect of mixing fiber cocktail on cracking strength of concrete. The research work has been carried out to evaluate the effect of “cocktail fibers” on reinforced concrete. Cocktail fiber is a mixture of steel fibers (SF) and polypropylene fibers (PPF).

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Effect on Compressive and Flexural Properties of Cow Dung

the effect of glass fiber addition on tensile and flexural strength and izode impact strength of pine apple leaf fiber (PALF) and sisal fiber reinforced polyester composites. The unsaturated polyester based sisal glass composites were studied with 5% and 8% volume fraction and found a considerable

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Fatigue Strength of Fibrillated Polypropylene Fiber

Fatigue Strength of Fibrillated Polypropylene Fiber Reinforced Concretes M. NAGABHUSHANAM, V. RAMAKRISHNAN, AND GARY VONDRAN This paper presents the results of an experimental investigation to determine the flexural fatigue strength of concrete reinforced with three different concentrations of fibrillated polypropylene fibers.