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<p>The mechanical properties and flexural performance of reinforced concrete beams augmented with ground granulated blast furnace slag (GGBS) and graphene oxide (GO) nanoplatelets are investigated in this work. For M30 grade concrete, a mix design was created that included varied GO levels of 1%, 2%, and 3% by weight of cement, as well as a constant 10% GGBS as a partial cement replacement. Specimens were cast and evaluated at 7, 14, and 28&#xa0;days; these comprised beams (150&#xa0;mm × 150&#xa0;mm × 1000&#xa0;mm), cylinders (150&#xa0;mm diameter × 300&#xa0;mm height), and standard-size cubes (150&#xa0;mm × 150&#xa0;mm × 150&#xa0;mm). The objective of this study is to explore the enhancement of concrete properties through the combination of supplementary cementitious materials and nanomaterials. The novelty of this study is a multiscale evaluation for the concrete's performance and the combined interaction of nanoscale microstructure improvement with macroscale structural behaviour. Results highlight that adding graphene oxide and GGBS to concrete improves its mechanical qualities by 37% increment in compressive strength and a 40% increment in split tensile strength. It attains the goal of sustainable high-performance concrete by using low-carbon cementitious materials. The field of nano-engineered cementitious composites for next-generation building materials is expanding, and needs more exploration on real-time implementation for a modern infrastructure with sustainability.</p>

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Feasibility study on the adoption of the nano-engineered cementitious composites in developing next-generation building materials

  • 期刊论文

  • 发表日期：

    2026年3月24日

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  • J. S. Sudarsan,
  • R. Padmapriya,
  • V. Ganesh Kumar,
  • L. Stanley Abraham,
  • N. Sunmathi,
  • S. Nithiyanantham

摘要

The mechanical properties and flexural performance of reinforced concrete beams augmented with ground granulated blast furnace slag (GGBS) and graphene oxide (GO) nanoplatelets are investigated in this work. For M30 grade concrete, a mix design was created that included varied GO levels of 1%, 2%, and 3% by weight of cement, as well as a constant 10% GGBS as a partial cement replacement. Specimens were cast and evaluated at 7, 14, and 28 days; these comprised beams (150 mm × 150 mm × 1000 mm), cylinders (150 mm diameter × 300 mm height), and standard-size cubes (150 mm × 150 mm × 150 mm). The objective of this study is to explore the enhancement of concrete properties through the combination of supplementary cementitious materials and nanomaterials. The novelty of this study is a multiscale evaluation for the concrete's performance and the combined interaction of nanoscale microstructure improvement with macroscale structural behaviour. Results highlight that adding graphene oxide and GGBS to concrete improves its mechanical qualities by 37% increment in compressive strength and a 40% increment in split tensile strength. It attains the goal of sustainable high-performance concrete by using low-carbon cementitious materials. The field of nano-engineered cementitious composites for next-generation building materials is expanding, and needs more exploration on real-time implementation for a modern infrastructure with sustainability.