13 Types of Cement and Their Uses in Concrete Construction.

cement

Cement is a binding agent that holds aggregates together and strengthens materials. It has also improved the quality and types of cement with the development of technology. So for different construction projects, there are different types of cement.

13 Types of Cement and their Uses

  1. Ordinary Portland Cement (OPC)
  2. Portland Pozzolana Cement (PPC)
  3. Rapid Hardening Cement
  4. Quick setting cement
  5. Low Heat Cement
  6. Sulphates resisting cement
  7. Blast Furnace Slag Cement
  8. High Alumina Cement
  9. White Cement
  10. Colored cement
  11. Air Entraining Cement
  12. Expansive cement
  13. Hydrographic cement.

1.    Ordinary Portland Cement (OPC)

Ordinary Portland cement is the most commonly used form of cement appropriate for all particular concrete constructions. It is the most commonly manufactured and used a form of cement in the globe, with approximately worldwide manufacturing of around 3.8 million cubic meters per year.  This cement is appropriate for all types of concrete buildings.

2. Portland Pozzolana Cement (PPC)

Portland Pozzolana Cement is a type of Blended Cement produced by either intersection the OPC clinkers with gypsum and pozzolanic material, or by grinding them separately and thoroughly in certain proportions to the OPC clinker, gypsum, and pozzolanic materials.

Pozzolana is a natural or man-made material that contains reactive silica. This can be addressed further as silica, silica and aluminum content that has little, or no cementing properties but responds chemically at normal temperatures with calcium hydroxide at formulations with cement properties in fine separated shape and in the presence of humidity. The fact that silica can only then be mixed with calcium hydroxide liberated through the hydrating Portland cement in the presence of water to create solid, cement-like silicates is significant. The most widely employed pozzolanic substances are:

  • Volcanic ash.
  • Calcined clay.
  • Fly ash.
  • Silica fumes.

3. Rapid Hardening Cement

Rapid hardening cement reaches full power in the late days when it is used in concrete where formworks are discarded prematurely and are comparable to normal harbor cement (OPC). This cement has improved lime material and includes a higher proportion of c3s and softer processing which at a premature point provides greater growth of resistance than OPC.

With the same water-cement ratio, the power of fast hardening cement at the 3 days is comparable to OPC’s 7-day resistance. Thus, the benefit of this cement is that it is possible to remove formwork sooner, which improves the speed of building and reduces building costs by reducing the price of formwork. In prefabricated concrete buildings, road works, etc., rapid hardening cement is used.

4. Quick Setting Cement

The difference between quickly setting cement and quickly hardening cement is that prior sets of quickly setting cement are similar to Ordinary Portland Cement, while quickly hardening cement increases energy. Forms can be dismissed in both cases beforehand. Quick building cement is used where work is to be finished in a very short time and in stationary or running water for concrete.

5. Low Heat Cement

By keeping the percentage of tricalcium aluminate below 6 percent, low heat cement is ready by raising the proportion of C2S. This allows the concrete to generate small hydration heat and is thus used as gravity dams in a mass concrete building, as small hydration heat keeps the cement from crumbling owing to the heat. This cement has improved sulphate strength and is less sensitive and a higher original charging period than OPC.

6. Sulphates Resisting Cement

Sulfate-resistant cement is used to decrease the danger of sulfate attack on concrete and is therefore used in bases where the soil has a large concentration of sulphate. This cement has lowered C3A and C4AF content. In building subjected to serious sulfate intervention by water and soil, sulfate-resistant cement is used in locations such as canal linings, culverts, retention tanks, siphons, etc.

7. Blast Furnace Slag Cement

Blast oven slag soap is achieved by crushing clinkers with approximately 60% slag and is more or less similar in Portland cement characteristics. It can be used predominantly for work financial factors.

8. High Alumina Cement

By mixing the combination of bauxite and lime and scraping with the clinker, high alumina cement is achieved. It is a fast hardening cement with an original and ultimate setting moment of approximately 3.5 and 5 hours. This cement’s compressive strength is very large and more workable than normal Portland cement and is used in parts where concrete is subjected to elevated heat, cold, and acid intervention.

9. White Cement

It is made from natural metals free of iron oxide and is a sort of white-colored normal dry cement. It is more expensive and is used for structural reasons such as prefabricated curtain walls and viewing boards, terrazzo surfaces, etc., as well as for internal and exterior decorative works such as exterior renderings of houses, facing plates, floors, ornamental concrete products, parks, swimming pools, etc.

10. Colored cement

Mixing 5to10% mineral pigments with normal soap produces it. They are commonly used in surfaces for ornamental functions.

11. Air Entraining Cement

Air-training cement is generated during clinker milling by incorporating indigenous air-training officers such as resins, glues, sulphate sodium acids, etc.

This sort of cement is particularly suitable for enhancing the workability with a lower water-cement ratio and improving concrete frost strength.

12. Expansive Cement

Expansive cement extends mildly over the moment and during and after hardening does not decrease. This cement is primarily used to grout anchor cables and concrete ducts that are pre-stressed.

13. Hydrographic cement

Hydrographic cement is ready with elevated workability and hardness by blending water-repelling chemicals. It has the advantage of repelling water and during the monsoon or rain, it is not affected. Hydrophobic cement is primarily used to build water systems such as dams, water tanks, spillways, constructions that retain water, etc.

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