Concrete Alternatives For Construction

 As we know, concrete is one of the excellent building materials used in construction due to factors like strength, workability, and its ability to set, hardness at a normal room temperature. Researchers are still trying to get suitable concrete alternatives at a lower cost.

The concrete possesses excellent characteristics that help it adapt irrespective of weather conditions by optimizing it with admixtures

.Various studies show 90% of the construction industry uses concrete as the primary construction material while constructing buildings, bridges, and apartments. The concrete is then combined with steel to achieve greater strength.

Modern innovation has been finding new concrete alternatives because concrete is durable and versatile but still the main contributor to the emission of greenhouse gases.

So below, we have discussed some of the concrete alternatives that can be ace the sustainability over concrete, which has a less environmental impact.

1. Recycled Plastic

Plastic is the most concerned material that significantly impacts the environment as they are non-biodegradable. It is essential to know that only 9% of the total plastic produced can be recycled.

So innovations suggest using recyclable plastic in the facades of buildings or other structures. Using recycled plastic in construction is a great way to achieve fewer greenhouse gases effect while unclogging plastic-filled landfills.

Recycled plastic can substitute 20% of aggregate in concrete; concrete blocks filled with recycled plastic are much lighter when compared to conventional concrete blocks. Using these blocks in small-scale construction is recommended, while not suitable in taller structures.

Some advantages of using recycled plastic as concrete alternatives include that recycled plastic is highly versatile and can be resistant to impact, water, and chemicals.

2. Ashcrete

The main component in ashcrete is Fly Ash, which is a by-product of coal combustion which is used to be discarded in the ground. Still, innovations lead this material to have a significant role to play in the green concrete manufacturing process.

Ashcrete is a concrete alternative used in modern construction to reduce the greenhouse effect, and it is also said that 25% of cement can be replaced using high-volume fly ash.

To make ashcrete similar to conventional cement, fly ash is mixed with water and lime to make it stronger and more durable. Another advantage of using fly ash is that it makes concrete restraint to alkali-silica reactivity.

3. Green Concrete

Green concrete is eco-friendly concrete manufactured using different waste materials or any other residual materials from different industries.

The manufacturing process of green concrete consumes less amount of energy when compared to conventional concrete. The carbon emission from the production is comparatively less, and it is an economical and durable concrete alternative.

The main aim of using these concrete alternatives, like green concrete, ashcrete, etc., is to reduce the dependency on natural resources and increase the dependency on recyclable materials. Following this would achieve great sustainability and eco-friendly concrete.

4. Blast Furnace Slag

Blast furnace slag is a by-product produced and used as a concrete alternative in construction, and it is an environmentally friendly material that would impact less greenhouse gas effect.

This blast furnace slag comes in the form of glassy granular material produced by quenching molten iron slag from the blast furnace into steam or water.

This concrete alternative can replace 70-80% of cement and improve the durability and strength of concrete. During the blast furnace slag, the production process emits less hydration or heat.




 

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