Evaluation of Mechanical Behavior and Microstructural Characteristics of Photocatalytic Concretes to Be Used as Pavement Blocks
Abstract
This paper reports the results obtained in a study on the effect of the addition of TiO2 nanoparticles on the mechanical properties and microstructural characteristics of photocatalytic concretes. In the hardened state, tests to determine the compressive strength and modulus of elasticity were carried out. Also, microstructural aspects of the samples were investigated. In the fresh state, the influence of the addition of TiO2 on the concrete compaction and conduction calorimetry curves was evaluated. The results obtained indicated a better mechanical and microstructural behavior of concrete with addition of TiO2.
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The increase in compressive strength with 2.5% nps-TiO2 is attributed to nps-TiO2's non-reactive fine filler properties, which reduced porosity, lacked pozzolanic activity, and ensured cement matrix homogeneity.
“The increase in compressive strength with 2.5% of nps-TiO2 is attributed to nps-TiO2’s non-reactive fine filler properties, which reduced porosity, lacked pozzolanic activity, and played a significant role in ensuring cement matrix homogeneity [22,37,38,39,40,41].”
From Analyzing the Effects of Nano-Titanium Dioxide and Nano-Zinc Oxide Nanoparticles on the Mechanical and Durability Properties of Self-Cleaning Concrete (2023) · cites this paper as [40]
Cites
Hydration and properties of nano-TiO2 blended cement composites
Chen, J., Kou, S.-C., & Poon, C.-S. (2012) · Cement and Concrete Composites · doi:10.1016/j.cemconcomp.2012.02.009 · Cited by 518 · see citing works
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Mostafa, F. E.-Z. M., Smarzewski, P., El Hafez, G. M. A., Farghali, A. A., Morsi, W. M., Faried, A. S., & Tawfik, T. A. (2023) · Materials · doi:10.3390/ma16216909 · Cited by 35 · see citing works
- Authors
- Staub de Melo, J. V., & Trichês, G.
- Affiliations
- Professor Department of Civil Engineering, Federal University of Santa Catarina, Street João Pio Duarte da Silva, Córrego Grande, No. 205, Florianópolis, SC 88040-970, Brazil e-mail:
- Universidade Federal de Santa Catarina (BR)
- Corresponding author
- Trichês, Glicério
- ORCID
- Trichês, Glicério
- Venue
- Journal of Engineering Materials and Technology
- Publisher
- ASME International
- Published
- 2016-05-13
- Volume
- 138
- Issue
- 3
- ISSN
- 0094-4289 (ISSN-L)
- 1528-8889
- OpenAlex
- W2337234638
- Cited by
- 7
- References
- 1
- Citations by year
- 2026: 1 · 2024: 1 · 2023: 1 · 2022: 2 · 2019: 1 · 2018: 1
- FWCI
- 0.91
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Engineering Materials and Technology (publishedVersion)
- Funders
- Conselho Nacional de Desenvolvimento Científico e Tecnológico
- Topics
- Physical Sciences › Engineering › Civil and Structural Engineering › Concrete and Cement Materials Research
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › TiO2 Photocatalysis and Solar Cells
- Physical Sciences › Engineering › Civil and Structural Engineering › Innovative concrete reinforcement materials
- Keywords
- photocatalytic concrete, titanium dioxide nanoparticles, paving blocks, compressive strength, elastic modulus, microstructure, concrete compaction, calorimetry, mechanical properties
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