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<p>The construction sector heavily relies on natural resources and significantly impacts environmental degradation, underscoring the urgent need for sustainable building materials. Recent efforts prioritize enhancing the performance of cement-based products while reducing their ecological footprint. Sustainable High-Strength Cement Mortar (SHSCM) has gained prominence due to its superior mechanical properties, yet traditional formulations often rely heavily on non-renewable resources, resulting in substantial carbon emissions. This research addresses the dual objective of optimizing the mechanical properties of SHSCM while promoting sustainability through the innovative use of waste materials. Specifically, this study investigates the incorporation of ceramic waste (CW) as a partial replacement for fine aggregates, alongside the reinforcement of glass fibers (GF), to explore their synergistic effects on the mechanical performance of the mortar. By examining various combinations of CW (10%, 20%, and 30%) and GF (2%, 4%, and 6%). Preliminary results indicate that the inclusion of up to 30% CW not only enhances compressive and flexural strengths but also highlights the challenges posed by increased fiber content on workability. According to the multi criteria decision making (MCDM) framework, that is represented by technique for order of preference by similarity to ideal solution (TOPSIS). This method helps decision-makers assess options by comparing how close they are to the best possible solution and how far they are from the worst possible outcome, providing a well-rounded evaluation of each choice. TOPSIS identified mix M7 (30% CW and 2% GF) was the optimal formulation confirming it achieved the highest compressive and flexural strength while maximizing CW efficiency. This paper ultimately seeks to contribute to the field of sustainable construction materials by demonstrating that effective valorization of waste materials can lead to the development of high-performance, environmentally friendly cement mortars, paving the way for more sustainable building practices. </p>

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Sustainable high-strength cement mortar: synergistic of fiber reinforcement and partial aggregate replacement

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年6月23日

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  • Leena Jaffer Sedeeq,
  • Ali Jihad Hamad,
  • Imran Nazar Mohsin,
  • Zaid Hazim Al-Saffar,
  • Anmar Dulaimi

摘要

The construction sector heavily relies on natural resources and significantly impacts environmental degradation, underscoring the urgent need for sustainable building materials. Recent efforts prioritize enhancing the performance of cement-based products while reducing their ecological footprint. Sustainable High-Strength Cement Mortar (SHSCM) has gained prominence due to its superior mechanical properties, yet traditional formulations often rely heavily on non-renewable resources, resulting in substantial carbon emissions. This research addresses the dual objective of optimizing the mechanical properties of SHSCM while promoting sustainability through the innovative use of waste materials. Specifically, this study investigates the incorporation of ceramic waste (CW) as a partial replacement for fine aggregates, alongside the reinforcement of glass fibers (GF), to explore their synergistic effects on the mechanical performance of the mortar. By examining various combinations of CW (10%, 20%, and 30%) and GF (2%, 4%, and 6%). Preliminary results indicate that the inclusion of up to 30% CW not only enhances compressive and flexural strengths but also highlights the challenges posed by increased fiber content on workability. According to the multi criteria decision making (MCDM) framework, that is represented by technique for order of preference by similarity to ideal solution (TOPSIS). This method helps decision-makers assess options by comparing how close they are to the best possible solution and how far they are from the worst possible outcome, providing a well-rounded evaluation of each choice. TOPSIS identified mix M7 (30% CW and 2% GF) was the optimal formulation confirming it achieved the highest compressive and flexural strength while maximizing CW efficiency. This paper ultimately seeks to contribute to the field of sustainable construction materials by demonstrating that effective valorization of waste materials can lead to the development of high-performance, environmentally friendly cement mortars, paving the way for more sustainable building practices.