Low Emission Concrete and Sustainable Construction | Reducing Carbon Footprint in Civil Projects
| Green building NSW
Low emission concrete is a breakthrough in sustainable construction. SCE Corp implements green building NSW principles across civil and structural projects. With advancements in geopolymer and recycled aggregate technologies, SCE Corp is contributing to Australia’s decarbonisation roadmap.
A new low-emission concrete called Concretene made its commercial debut in Manchester, drawing significant attention across the construction industry. While concrete remains essential to modern construction due to its high compressive strength, cement and concrete production currently account for around 8% of global carbon emissions.
Concretene addresses this by incorporating graphene into the concrete mix, which delivers two key benefits:
First, the increased tensile capacity of graphene means less raw material and steel reinforcement is required, reducing emissions by up to 30%.
Second, graphene accelerates the bonding process between materials in the mix, allowing Concretene to achieve the equivalent strength of standard concrete in just 12 hours rather than the typical 28-day curing period.
Reducing Carbon Footprint in Civil Projects | Green building NSW
Despite its advantages, Concretene’s limited commercial adoption comes down to one key challenge: the difficulty of mass-producing graphene. While small sheets such as 10x10mm are commercially available, the construction industry requires much larger sheets that are currently difficult and expensive to produce at scale. As technology advances and further research is conducted, mass production of graphene in the required sizes is expected to become more accessible, making it likely that Concretene will become an industry standard in the near future.
Frequently Asked Questions
1. What is low emission concrete?
Sustainable concrete is a type of concrete designed to minimise carbon emissions during its production. It often incorporates innovative materials, like graphene, to enhance strength while using fewer raw materials.
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2. How does low emission concrete reduce carbon footprints?
This type of concrete reduces carbon footprints by requiring less raw material and less steel reinforcement. This can lead to a reduction in emissions by up to 30% compared to traditional concrete.
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3. What is the significance of Concretene in low emission concrete?
Concretene is a ground breaking form of low emission concrete that uses graphene to improve tensile strength and bonding processes, allowing it to achieve structural integrity much faster than traditional concrete.
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4. Will low emission concrete become the industry standard?
While low emission concrete shows great promise, challenges such as the mass production of graphene need to be addressed before it can become the industry standard.
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5. What are the advantages of using Sustainable concrete?
The advantages of this concrete include reduced material usage, lower carbon emissions, faster curing times and enhanced structural performance.
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6. Is low emission concrete more expensive than traditional concrete?
Currently, it can be more expensive due to the costs associated with producing graphene. However, as technology advances, these costs may decrease.
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7. What projects are suitable for low emission concrete?
This concrete is ideal for a variety of construction projects, especially those prioritising sustainability and lower environmental impact, such as commercial buildings and infrastructure.
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8. How does low emission concrete perform compared to regular concrete?
It often outperforms regular concrete in terms of strength and curing time, achieving the same structural integrity in a significantly shorter period.
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9. What is the role of graphene in low emission concrete?
Graphene enhances the performance by improving tensile strength, accelerating the curing process and allowing for a reduction in the overall material required.
For further details, please refer to sustainable construction NSW, green building NSW, low emission concrete.
10. Are there any environmental benefits to using low emission concrete?
Yes, using this type of concrete helps reduce greenhouse gas emissions, making it a more sustainable choice for construction, contributing positively to climate change mitigation.
For further details, please refer to sustainable construction NSW, green building NSW, low emission concrete.
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