Enhanced Performance of Sustainable Cementitious Composites Modified with Industrial Byproducts

Yang Yang and Zhenwei Zhao

International Journal of Architectural Engineering and Design, 2025, vol. 2, issue 1, 9-16

Abstract: The burgeoning construction industry demands sustainable and high-performance building materials. This study investigates the potential of a novel industrial byproduct (IBP), termed "Eco-Binder X," to enhance the properties of cementitious composites. Eco-Binder X, characterized by its unique particle morphology and fine granularity, was incorporated into ordinary Portland cement (OPC) at varying substitution levels. Comprehensive tests were conducted to evaluate the workability, mechanical strengths (compressive and flexural), and microstructural evolution of the modified composites. Results indicate that optimal inclusion of Eco-Binder X significantly improves both early and long-term mechanical strengths and refines the pore structure. Microstructural analyses, including scanning electron microscopy (SEM) and X-ray diffraction (XRD), reveal that Eco-Binder X actively participates in hydration through a combination of filling effects, pozzolanic reactions, and nucleation effects, leading to a denser and more homogeneous hydrated matrix. The distinct particle morphology of Eco-Binder X, as observed by SEM, plays a crucial role in promoting the formation of compact C-S-H gel and enhancing interfacial transition zones (ITZs). This research highlights the promising application of Eco-Binder X as an eco-friendly and high-performance additive for sustainable cementitious materials.

Keywords: cementitious composites; industrial byproduct; mechanical properties; microstructure (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:axf:ijaeda:v:2:y:2025:i:1:p:9-16

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