Utilizing Nano-TiO2 and GGBS to Improve Concrete’s Acid Resistance and Durability

Authors

  • Mamidi Srinivasan

    Department of Civil Engineering, College of Engineering, Science & Technology, Jawaharlal Nehru Technological University, Hyderabad 500085, India
  • P. Sravana

    Department of Civil Engineering, College of Engineering, Science & Technology, Jawaharlal Nehru Technological University, Hyderabad 500085, India

DOI:

https://doi.org/10.30564/jbms.v7i2.9696
Received: 25 April 2025 | Revised: 23 May 2025 | Accepted: 26 May 2025 | Published Online: 12 June 2025

Abstract

Although concrete is a commonly used building material, it suffers deterioration in acidic surroundings. Significant structural damage and expensive repairs can follow from this. This work examined the strength and durability of M40 and M50 grade concrete incorporating 30% ground granulated blast furnace slag (GGBS) and 1% titanium dioxide (TiO₂). Several tests, including an acid resistance and fast chloride penetration test (RCPT), evaluated this altered concrete's performance. Over 28, 90, and 180 days, the acid resistance test assessed the effects of 5% sulphuric acid (H₂SO₄), hydrochloric acid (HCl), and sodium sulfate (Na₂SO₄). The modified concrete showed less weight loss and more residual compressive strength than conventional concrete, according the findings. The calculations of the acid durability factor verified that the modified concrete mix showed better resistance against hostile chemical surroundings. Measuring the overall charge passed through concrete specimens, the Rapid Chloride Penetration Test (RCPT) evaluated chloride ion permeability. Classifying the modified concrete as “very low”, it displayed a notable decrease in chloride penetration with roughly (50–60)% lower permeability for M40 and (40–50)% for M50 compared to the control mix.

Keywords:

Concrete Pavement; Nano Titanium Dioxide (TiO₂); Ground Granulated Blast Furnace Slag (GGBS); Acid Attack Resistance; RCPT; Durability

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How to Cite

Srinivasan, M., & P. Sravana. (2025). Utilizing Nano-TiO2 and GGBS to Improve Concrete’s Acid Resistance and Durability. Journal of Building Material Science, 7(2), 175–192. https://doi.org/10.30564/jbms.v7i2.9696

Issue

Vol. 7 , Iss. 2 (June 2025): In Progress

Article Type

Article

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Copyright © 2025 Mamidi Srinivasan, P. Sravana

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This is an open access article under the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) License.

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