“An Experimental Study on Concrete-Filled Steel Tubes (CFST) Reinforced with Nanomaterial and Partially Substituted Recycled Coarse and Fine Aggregates (10%–50%) to Explore Sustainable Strategies for Enhancing Axial Structural Performance.”

Registration ID: IJNRD_311160

Published ID: IJNRD2512202

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Anmol Dabas, Kamal Kumar, Surya Taliyan, Mayank Pal

Keywords (for the paper): Concrete-Filled Steel Tubes (CFST) Recycled Coarse Aggregate (RCA) Recycled Fine Aggregate (RFA) Nano-Silica Nano-Alumina Nano-Modified Concrete Axial Compressive Strength Ductility Confinement Effect Sustainable Construction Green Infrastructure Recycled Aggregate Concrete (RAC) Structural Performance High-Performance Concrete

Abstract Concrete-Filled Steel Tubes (CFST) have emerged as a promising structural solution due to their superior load-bearing capacity, ductility, and confinement characteristics. In the pursuit of sustainable and high-performance construction, this experimental study investigates the axial behavior of CFST columns incorporating nanomaterials and partially substituted recycled coarse and fine aggregates at replacement levels of 10% to 50%. The study evaluates the effects of recycled aggregates on compressive strength, stiffness, and failure modes, while examining the role of nanomaterials in enhancing the microstructure and confinement efficiency of the infill concrete. Experimental tests reveal that the inclusion of nanomaterials mitigates the reduction in load-bearing capacity associated with recycled aggregates, improving both axial strength and ductility. The findings demonstrate that CFST columns with up to 50% recycled aggregate replacement, when reinforced with nanomaterials, exhibit performance comparable to conventional CFST columns, offering a sustainable alternative for eco-friendly infrastructure development. This study provides valuable insights for engineers and researchers aiming to optimize the use of recycled materials and advanced additives in structural applications, contributing to the advancement of green construction technologies.

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Anmol Dabas, Kamal Kumar, Surya Taliyan, & Mayank Pal (December-2025). “An Experimental Study on Concrete-Filled Steel Tubes (CFST) Reinforced with Nanomaterial and Partially Substituted Recycled Coarse and Fine Aggregates (10%–50%) to Explore Sustainable Strategies for Enhancing Axial Structural Performance.”. INTERNATIONAL JOURNAL OF NOVEL RESEARCH AND DEVELOPMENT, 10(12), c3-c16. https://ijnrd.org/papers/IJNRD2512202.pdf

Volume 10 Issue 12, December-2025

Pages : c3-c16

Paper Reg. ID: IJNRD_311160

Published Paper Id: IJNRD2512202

Research Area: Other area not in list

Author Type: Indian Author

Country: Muzaffarnagar, Uttar Pradesh, India

Published Paper PDF: https://ijnrd.org/papers/IJNRD2512202.pdf

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