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Uses of Limestone
- Limestone
- Widely available
- Building material
- High compressive strength
- Carved into intricate designs
- Cathedrals, Colleges
- Cathedrals, Colleges
- Its powdered form
is used to control
acidity in soil.
- Widely available
- Cement
- Mixing limestone with clay
- Mixture heated strongly in kiln
- Gypsum (calcium
sulphate) is added to
control the setting time.
- Gypsum (calcium
sulphate) is added to
control the setting time.
- Mixture heated strongly in kiln
- Mixing limestone with clay
- Mortar
- Made from cement
mixed with sand and
water
- The amount of sand is critical.
- Too little and mortar shrinks
as it dries and too much the
mortar is weak.
- Too little and mortar shrinks
as it dries and too much the
mortar is weak.
- The amount of sand is critical.
- Used to fix the bricks
together when building
houses
- Made from cement
mixed with sand and
water
- Concrete
- Cement mixed with sand, crushed
rock and water.
- Can be made even stronger by pouring
around steel rods - Reinforced Concrete
- Widely used in the building
industry as it is cheap and
easily moulded.
- Ugly
- Cement mixed with sand, crushed
rock and water.
- Glass
- Powdered limestone is mixed with
sand and sodium carbonate
- Heated strongly
- Heated strongly
- Glass is both weatherproof
and transparent.
- The high temperatures
required make it expensive in
terms of energy.
- Powdered limestone is mixed with
sand and sodium carbonate
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