en.Wedoany.com Reported - A study conducted by Temple University on large-scale industrial flooring practices confirms that Portland limestone cement (PLC) or PLC blended with supplementary cementitious materials (SCMs) offers comparable abrasion resistance and carbonation potential to ordinary Portland cement (OPC) control groups. Led by Dr. Mehdi Khanzadeh Moradllo, assistant professor of civil and environmental engineering at Temple University, the research systematically compared the performance of three categories of concrete mixtures in both laboratory and field conditions using the BS 8204-2 standard abrasion resistance test.

Field investigations included slab abrasion testing in St. Louis, assisted by technicians from Amrize Ltd. and Concrete Strategies LLC. Dr. Moradllo and his team found that, in many test mixtures, Portland limestone cement and PLC blends with SCMs exhibited abrasion resistance equivalent to OPC systems when mix proportions and finishing were appropriate. The detailed findings are presented in the report, "Abrasion Resistance and Carbonation Resistance of Portland Limestone Cement Systems for Industrial Floors."

This 46-page report, jointly published by the ACI Foundation, the Portland Cement Association, and the Concrete Promotion Foundation, provides empirical data for specifiers, contractors, owners, and pavement engineers seeking to evaluate PLC or PLC blends with SCMs as low-carbon alternatives for industrial floors. The report's release coincides with heightened activity in data centers and distribution or fulfillment centers, where large-area floors are common and embodied carbon metrics receive scrutiny.

Dr. Moradllo stated, "Providing robust, field-validated data on PLC performance gives the industry confidence to adopt low-carbon cement technologies." Dr. Paul Tennis, senior director of research and product standards at the Portland Cement Association, added, "Cement innovations, including blended cements, are essential components of solutions to reduce the carbon footprint of concrete. These findings demonstrate that optimized PLC systems are a practical, durable choice for industrial applications."

The report's authors also highlight that project leaders need to adopt standard industry practices when optimizing concrete mix designs for industrial floors, use an appropriate mix to account for regional variability in PLC, and apply proper finishing and curing methods. "Owners and contractors need actionable guidance when specifying and placing industrial floor systems," said Julie Garbini, president of the Concrete Promotion Foundation. "This study's lab-to-field comparison represents an important step toward performance-based specifications and encouraging best practices for successful projects."

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