What Is Green Concrete – It’s Advantages, Disadvantages & Application

What Is Green Concrete?

The concrete that is made with concrete wastes which are eco-friendly, uses less energy in its production and produces less carbon dioxide than ordinary concrete is known as green concrete.

Most people associate it with the concrete that is colored with pigment. But, green concrete does not refer to the color of the concrete, rather than it indicates it’s environmental sustainability and eco-friendliness.

Why Green Concrete?

The main ingredient in concrete is cement which consists of limestone (calcium carbonate CaCo3). During the manufacturing of cement, its ingredients are heated about to 800-1000°C. During this process, Carbon dioxide is driven off. Approximately 1 kg of cement produces about 900gm of Co2. When it comes to green concrete, it reduces the Co2 emission by at least 30%. It is also energy-saving and eco-friendly than normal concrete.

Materials Used:

1. Fly Ash

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2. GGBS (Ground Granulated Blast Furnace Slag).

3. Recycled demolition waste aggregates.

4. Recycled concrete aggregates.

5. Glass aggregates.

6. Manufactured Sand.

7. Rice husk ash.

8. BFS (Blast Furnace Slag).

9. Silica fume.

10. Metakaolin.

Advantages Of Green Concrete:

1. It uses local and recycled materials in concrete production.

2. It reduces almost 30% Co2 emission.

3. Sustainable development without environmental pollution.

4. Compressive strength and flexural strength is equal to conventional concrete.

5. It reduces the effect of creep and shrinkage in concrete.

6. It requires less maintenance and repairs.

7. Reduces overall cement consumption.

8. It has good thermal and fire resistance properties.

9. Reduces dead weight of a structure, craneage load, allow handling, lifting flexibility with lighter weight.

10. It gives better workability than normal concrete.

11. Reduces disposal problems of industrial waste as it is used in concrete production.

12. It is as economical as conventional concrete.

13. Better damping resistance in building.

14. Eco-friendly.

Disadvantages Of Green Concrete:

1. It has less split tensile strength than conventional concrete.

2. The cost of reinforcement increases as it uses stainless steel.

3. Water absorption is more than ordinary concrete.

4. The life span of structures build with green concrete is less than conventional concrete structures.


1. Green concrete is used in building construction.

2. It is used in bridge and dam construction.

3. It can be used in road construction.

Green Concrete

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