DIFFERENT TYPES OF FIBRE
STEEL FIBRES
Steel fibres available for use in concrete are obtained
by cutting drawn wires. Fibres with different types of shapes such as round,
rectangle, intended, crimped etc.
PLASTIC
FIBRES
Plastic fibres such as nylon and polypropylene has high
tensile strength and low modulus of elasticity. It has the advantage of
chemical stability in the cement paste and not attackedby acids and alkalies
CARBON
FIBRES
Carbon fibres has high tensile strength and youngs
modulus compare to steel and glass fibres . Carbon fibres has greater stability
, The carbon reinforced cement composite has linear stress strain
characteristics. These are costly.
COIR
FIBRES
Coir is the fibrous portion of coconut, extracted
mainly from green nut. Coir fibre is tough and strong and has a greater resistance
to fungal and bacterial decomposition.
GLASS
FIBRES
These are 2-3 times stronger than steel fibres. These
fibres does not deteriotate by insects or chemical attack. These are moisture
resistant, they repel water and readily dried.
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