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Green concrete paves way forward

Green concrete

Green concrete could be the way of the future after new studies into the product yielded promising results.

Concrete has become one of the most sought-after materials worldwide, highlighting the importance of the quarry industry.

Green concrete has emerged as the quarry and construction industry search for low-carbon options. The product uses more recycled materials to reduce the amount of Portland cement.

Dr Ezgi Kaya — who conducted a report on the product — said the product had several benefits compared to regular cement.

“Unlike conventional concrete, which requires a considerable amount of energy and resources to produce, green concrete often uses recycled materials and minimises the use of Portland cement, a major contributor to carbon emissions,” Kaya said.

“To date, green concrete has been used in more than 60 projects across different sectors in Australia, including infrastructure, buildings, industrial, marine and geotechnical.

“Given that the carbon reduction achieved through its use can be as much as 80 per cent, the potential for green concrete to positively impact our emissions targets is monumental.”

The study highlights that the material is durable and has higher engineering properties and less shrinkage.

Global building projects have already started implementing the product into designs as seen in Amsterdam’s Schiphol Airport and Abu Dhabi’s version of the Louvre.

Kaya believes if the construction industry made the switch to the new product, the benefits would be seen across Australia.

“Replacing just 50 per cent of traditional concrete with green concrete could reduce Australia’s carbon emissions by approximately 17 million tonnes annually, which is equivalent to removing four million cars from the road,” Kaya said.

“By embracing this innovative and environmentally friendly construction material, Australia can not only reduce its carbon footprint but also create a more sustainable and resilient built environment.”

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