Farmington Hills, Mich., (Sep. 18, 2024) – The Slag Cement Association (SCA) was pleased to participate in the paving of the test sections at MnROAD last week showcasing innovative carbon content reduction strategies. SCA members provided the slag cement and other materials for several innovative mixes. Slag cement is a recovered material from the iron production process and because of this, has a vital role in reducing the environmental impact of concrete mixtures while also being effective in reducing permeability and increasing durability in concrete. The SCA sponsored test section included a quintenary mix (5 ingredients) and materials provided by Holcim.
The mix included portland-limestone cement (PLC), slag cement, fly ash, natural pozzolan, and a reduction in total cementitious materials, achieving a final composition that features less than 50% clinker content. This innovative mix dramatically reduces the carbon footprint associated with concrete construction, offering a more sustainable yet durable solution for roadway infrastructure.
"SCA and its members are dedicated to reducing the embodied carbon associated with cement production and advancing the use slag cement in infrastructure projects across North America," said Nick Brimley, Marketing Director of SCA. "Holcim’s innovative mix exemplifies our industry's commitment to advancing sustainable construction materials."
The cementitious blend and optimized concrete mix was engineered to reduce CO₂ emissions without sacrificing strength or long-term performance, making it an ideal candidate for MnROAD's comprehensive testing protocols.
Holcim, a global leader in innovative and sustainable building solutions, partnered closely with SCA to ensure that the mix design meets both environmental standards and MnDOT’s performance requirements.
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