TYPES OF CEMENTS OR CLASSIFICATION OF CEMENTS



TYPES OF CEMENTS 

cement is the binding material. this is the main ingredient in construction field.the cement is classified into following types.

1.rapid hardening cement
2.low head cement
3.surlfate resisting cement
4.white cement
5.portland pozzolana  cement
6.colured cement
7.hiigh alumina cement
8.expansion cement

1.RAPID HARDENING CEMENT

Rapid hardening cement is similar to ordinary Portland cement but it finer than ordinary Portland cement .it give early strength compared than ordinary Portland cement. Strength of this cement in 3 days is equal to 7 days strength in opc.
Main advantage of this cement is where we want to remove the form work early.

2.LOW HEAT CEMENT

Low heat cement have high C2S and low C3S ,C3A content compared to opc  .initial setting  time of low heat cement is higher than opc. This cement is used in high volume concrete works like construction of dams etc.

3.SULFATE RESISTING CEMENT 

This cement has low C3A  content compared to opc. This content have high resisting capability .this cement is used to construction of river works and foundation where soil have high sulfate content.

4.WHITE CEMENT

White cement is the type of ordinary Portland cement but its  color is pure white. Composition and compressive strength of cement is same as ordinary Portland cement. Iron oxide content is reduced  in opc to obtain pure white colour.raw materials are clay and line power. This cement is used in aesthetic works like swimming pools, exterior architecture works etc.

5.COLORED CEMENT 

This cement is like ordinary Portland cement by it has various colors. Production of colored cement by adding various colors. Production of colored cement by adding  5-10 % mineral pigments with opc during the grinding grinding process .for chlorium oxide gives green color, gobalt produce blue color  manganese dioxide gives black of brown colored cement. Colored cement are used various aesthetic works for interior and exterior works . Most of the times colored cement is used in tiles laying process in flooring.

6.HIGH ALUMINA CEMENT

This cement is manufactured by adding bauxite and lime in specified temperature , this cement also called calcium aluminum cement .it have high strength it achieved maximum strength with in 24 hours adding water .it is used in water construction works.

7.EXPANSION CEMENT

This cement expand during and after construction. its does not shrink this property is achieved by adding some components like sulpho aluminates and stabilizing agent to ordinary cement this cement is mainly used in fill the cracks and grouting works.

8.QUICK SETTING CEMENT

Quick setting cement is used in various works. When we want accelerate the construction time for like under water construction. this cement is manufactured adding small percentage of aluminum sulphate as an accelerator and reducing gypsum content with fine grinding.

ALSO READ-----INGREDIENTS OF CEMENT AND ITS FUNCTIONS

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