Department of Civil Engineering, Government Polytechnic Bellary, Karnataka, India.
Review Article
World Journal of Advanced Research and Reviews, 2020, 08(02), 398-405
Received on 13 November 2020; Revised 25 November 2020; accepted on 29 November 2020
The integration of nanomaterials in structural engineering has revolutionized the construction industry by significantly enhancing the strength, durability, and sustainability of building materials. The incorporation of nanoparticles such as nano-silica, carbon nanotubes (CNTs), graphene oxide, nano-alumina, and titanium dioxide has led to substantial improvements in mechanical properties, including increased compressive and tensile strength, reduced porosity, and enhanced resistance to environmental degradation. These nanomaterials play a critical role in refining the microstructure of cementitious composites, optimizing hydration processes, and improving thermal and chemical stability. This paper provides a comprehensive review of various nanomaterials used in structural engineering, highlighting their mechanisms of reinforcement at the molecular level. The advantages of nanotechnology in construction materials, such as improved workability, crack resistance, self-healing capabilities, and energy efficiency, are discussed in detail. Additionally, challenges associated with the large-scale implementation of nanomaterials, including cost constraints, potential health hazards, and long-term durability concerns, are critically analyzed. Furthermore, the study incorporates case studies and experimental data to demonstrate the practical applications of nanotechnology in real-world construction projects. These case studies illustrate the role of nanomaterials in enhancing the performance of concrete, steel, and composite structures, leading to more resilient and sustainable infrastructure. Finally, future research directions are explored, focusing on the development of eco-friendly and cost-effective nanomaterials, advancements in nanotechnology-enabled self-sensing materials, and the potential for 3D printing applications in construction. The findings of this paper contribute to the growing body of knowledge in nanotechnology-driven structural engineering, emphasizing its transformative impact on the construction industry and paving the way for next-generation smart and sustainable materials.
Nanomaterials; Structural Engineering; Nano-Silica; Carbon Nanotubes; Graphene Oxide; Mechanical Properties; Durability
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Rekha N. Nanomaterials in structural engineering: Strength and durability enhancements. World Journal of Advanced Research and Reviews, 2020, 8(2), 398-405. Article DOI: https://doi.org/10.30574/wjarr.2020.8.2.0426