New research evaluates abrasion resistance of PLC cement

Research at Temple University, commissioned by a partnership between the American Cement Association (ACA), the ACI Foundation, and the Concrete Advancement Foundation (CAF), examined the abrasion resistance and carbonation behaviour of Portland-limestone cement (PLC). The study focused on its use in industrial concrete flooring.

The researchers used the BS 8204-2 standard abrasion test to compare the abrasion resistance of different cement mixtures in both field and lab settings. They learned that PLC cement’s abrasion resistance is similar to the abrasion resistance of standard Portland cement (OPC) systems, provided the concrete is cured and finished to a high standard.

PLC is a viable lower-carbon alternative to OPC and reduces carbon emissions in large concrete slabs without compromising strength and durability. In most concrete mixes, OPC can be substituted by PLC.

By comparing laboratory results with real-world field performance, this study moves the industry closer to performance-centred standards. Paul Tennis, PhD, ACA Senior Director of Research & Product Standards, noted that innovations such as blended cements are vital to reducing the carbon footprint of concrete. He emphasised that these results show that optimised Portland-Limestone Cement (PLC) is a reliable, high-performance choice for industrial use.

Ann Masek, Executive Director, ACI Foundation, said:

“This research shows that industry organisations continue to collaborate, exchange ideas, and focus on developing practical solutions for the entire concrete industry.”

The study provides empirical data to help contractors and engineers specify lower-carbon cement technology that does not negatively affect the performance of concrete flooring.