Special Materials (Miscellaneous materials)
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Special Materials (Miscellaneous materials):-
Ferrocrete (ferroconcrete):
Properties:
i.
Consumption of concrete is 500 to 750kg/m3.
ii.
Reinforcement is very small in diameter.
iii.
No coarse aggregate is used.
Uses:
i.
Used in manufacturing of paver blocks.
ii.
For garbage basin.
iii.
For petrol pump construction.
iv.
For footpath and cycle track construction.
Adhesives:
Properties:
i.
It is liquid or semi-liquid in state.
ii.
It bounds items together.
iii.
Adhesive obtained from natural or synthetic source.
iv.
It hardens after evaporation of solvents.
Uses:
i.
It used to bounding two or more material.
ii.
It used in pigments to increases adhesiveness to wall or material.
iii.
Some time it apply on string to increases strength.
Epoxy:
It
is some type of resin of low molecular weight.
Properties:
i.
It has excellent adhesion and heat resistance.
ii.
It has good electric resistance properties.
iii.
It is low viscous.
iv.
It has high chemical resistance.
Uses:
i.
It used in manufacturing of paints.
ii.
It used to coating for metal.
iii.
It used for decorative flooring.
iv.
It used as adhesive for wood, plastic, stone, glass, metal, etc.
v.
It maximally used in industrial flooring.
Geosynthetics materials:
Geosynthetics
are man-made materials which are used to improve soil conditions. Geo means
earth or soil and synthetics means man-made.
Properties:
i.
It has high tensile strength.
ii.
Limited elongation under load.
iii.
It has low permeability.
iv.
It is used for erosion control.
Uses:
i.
To improve level grade soil situations such as roads, valleys, laneways.
ii.
To improve slope grade situation such as banks, hill sides.
iii.
To prevent soil movements.
iv.
Control water pressure which allow when water passes through foundation.
Ceramic Materials:
Properties:
i.
It is clay product.
ii.
The resistant to change in volume at high temperature is excellent.
iii.
These tiles are thin slabs of bricks that are burnt in kiln.
iv.
Melting point is high.
v.
Its melting point is high.
vi.
It can take high polish.
Uses:
i.
It used as fire proof and sound proof material on wall.
ii.
In manufacturing of fire proof brick.
iii.
High quality material which stable at high temperature are used in the
construction of modern aeroplanes such as rockets, jets, etc.
iv.
It used for flooring purpose.
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