Explain various types of Cement and also state the uses.

Explain various types of Cement and also state the uses.
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1 Answer

Answer :

Following are the various types of cement:

1.Ordinary Portland Cement:-

 This Cement is the basic Portland cement and is used in general for most of the construction work. this cement is used at situations when there is

no exposure to Sulphates in the soil or ground water. This is the most common type of

cement used for all types of construction works.

Uses:

1) It is used in important structures, where great strength is required such as heavy

buildings and bridges etc.

2) It is used for plastering and painting.

3) It is used for drainage & water supply works.

4) It is used for making cement mortar, plain concrete, reinforced concrete etc.

2.White Cement:-

 White cement can be produce similar to O.P.C. except by restricting the amount of

iron oxide by keeping it as low as possible. this can be archived by proper selecting the raw

materials like chalk and limestone having low iron and white clay content.

 Uses:

1) It is used for floor finishing.

2) It is used for ornamental works.

3) It is used for plastering.

2) In swimming ponds white cement is used to replace glazed tiles. It is used for fixing

marbles and glazed tiles.

3.Coloured cement:

 Coloured cement can be produced by adding color pigments into the

ordinary Portland cement.in this type of cement white cement or OPC is used as a base and

the coloured pigments varying from 2% to 10% depends upon the darkness of the cement

added into it.

Uses:

1) It is used for finishing of floors.

2) It is used for painting.

3) It is used for finishing of walls, roofs and window sills.

4.quick setting cement:

 This cement is produce by adding a small percentage of aluminum

sulphate and by finely grinding the cement. the addition of aluminum sulphate and fineness

of grinding are responsible for accelerating the setting action of cement. The setting action

of cement starts within five minutes after addition of water and it becomes hard like stone

within 30 minutes.

Uses:

1) It is used in under water concreting work.

2) It is used in repairing as well as maintenance work.

5. Rapid hardening Cement:

 The initial and final setting time of this cement is same as ordinary cement. but it attains high strength in early days. It contains high percentage of tricalcium silicate.

Uses:

1) It is used when higher strength at early stage is required and formwork is to be removed earlier.

2) It is generally used for construction of road pavement so that road can be opened for traffic without delay.

3) It is used for manufacturing of precast elements like slab panels, blocks, fencing posts, electric poles etc. So that moulds can be released quickly and reused.

4) It also can be used for cold weather concreting to protect concrete from freezing.

This cement should not be used for massive concrete structures like dams, bridge abutments, retaining walls etc. because it evolves much heat.

6.Expanding cement:

 This type of cement is produced by adding an expanding medium like sulpho-aluminate and a stabilizing agent to the ordinary cement.

Uses:

It is used for making pre cast products.


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