Comparative Study of Plain and Fiber Reinforced Concrete

8/11/2019 Comparative Study of Plain and Fiber Reinforced Concrete

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COMPARATIVE STUDY OF

PLAIN AND FIBERREINFORCED CONCRETE


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FIBER REINFORCED

CONCRETE

It can be defined as a composite material consisting of

mixtures of cement, mortar or concrete and discontinuous,

discrete, uniformly dispersed suitable fibers.

It contains fibrous material which increases its structuralintegrity. It contains short discrete fibers that are uniformly

distributed and randomly oriented. Fibers include steel

fibers, glass fibers, synthetic fibers and natural fibers.


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Fiber

Fiber is a small piece of reinforcing material possessing

certain characteristics properties. They can be circular or

flat.

Types of Fibers :

Glass Fiber Steel Fiber Carbon Fiber


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Benefitsof FRC

Controlplastic

shrinkage

cracking

Lower thepermeabilityof concrete

Greaterimpact

resistancein concrete

Increases

thedurability of

theconcrete


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Mechanical Properties of FRC

Compressive Strength - The fiber effect will be minor

on the improvement of compressive strength values (0

to 15 percent).

Modulus of Elastici ty- Modulus of elasticity was foundto increase by 3 percent using 1 percent fibers.

Flexure - The flexural strength was reported to be

increased by 2.5 times using 4 percent fibers.

Toughness- For FRC, toughness is about 10 to 40times that of plain concrete.

Tensile Streng th - The presence of 3 percent fiber by

volume was reported to increase the splitting tensile

strength of mortar about 2.5 times that of the


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Impact Resistance - The impact strength for fibrousconcrete is generally 5 to 10 times that of plain concrete

depending on the volume of fiber Corrosion of Steel Fibers -A 10-year exposure of steel

fibrous mortar to outdoor weathering in an industrialatmosphere showed no adverse effect on the strengthproperties. Corrosion was found to be confined only tofibers actually exposed on the surface. Steel fibrousmortar continuously immerse in seawater for 10 yearsexhibited a 15 percent loss compared to 40 percentstrength decrease of plain mortar


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Action Plan

Studying the Concrete Mix Design for FRC.

Preparation of specimens of Plain concrete and Fiber

Reinforced Concrete of required dimension.

Conducting various tests based on different properties.

Plotting various graphs based on the observed data from

the above tests.

Based on the obtained results a conclusion may be

drawn regarding effective application of FRC.

Also Comparative Cost Analysis of FRC and PC will be

done.


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Compressive Strength Flexural Strength


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Impact Testing Tensile Strength


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Documents

Comparative Study of Plain and Fiber Reinforced Concrete