The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Study of the influence of nano-TiO2 on the properties of Portland cement concrete for application on road surfaces
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. Concretes were produced with three types of TiO2: anatase I (10–30 nm), anatase II (50–80 nm) and rutile (10 × 40 nm), with contents of 3%, 6% and 10% in relation to the mass of Portland cement. Besides these mixtures, a reference concrete was prepared without the addition of TiO2. 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 by scanning electron microscopy and mercury intrusion porosimetry. 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 that, with the addition of TiO2, there was an increase in the compressive strength at 28 days and a reduction in the modulus of elasticity of the concretes. The calorimetry results indicated greater formation of C–S–H (calcium silicate hydrate)-type structures in the photocatalytic concretes. The porosimetry and SEM results showed a better distribution and refinement of the pores in these concretes.
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“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 [38]
Citations
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
Research works printed but not linked: 14
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- 10.1016/j.jclepro.2011.03.001 · DOI
- 10.1016/S1010-6030(03)00005-4 · DOI
- 10.1016/j.cemconres.2009.09.013 · DOI
- 10.1016/j.buildenv.2009.04.010 · DOI
- 10.1016/j.buildenv.2011.09.016 · DOI
- 10.1016/j.conbuildmat.2012.07.073 · DOI
- 10.1016/j.conbuildmat.2011.10.047 · DOI
- 10.1016/j.atmosenv.2009.01.034 · DOI
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- 10.1016/j.conbuildmat.2010.03.014 · DOI
- 10.1016/S0360-1323(02)00212-3 · DOI
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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
Metadata
- Authors
- Staub de Melo, J. V., & Trichês, G.
- Affiliations
- Department of Civil Engineering, Federal University of Santa Catarina, João Pio Duarte da Silva, 88040-970 Florianópolis, SC, Brazil
- Universidade Federal de Santa Catarina (BR)
- Venue
- Road Materials and Pavement Design
- Publisher
- Informa UK Limited
- Published
- 2017-02-07
- Volume
- 19
- Issue
- 5
- Pages
- 1011-1026
- ISSN
- 1468-0629 (ISSN-L)
- 2164-7402
- OpenAlex
- W2587149522
- Cited by
- 64
- References
- 1
- Citations by year
- 2026: 2 · 2025: 11 · 2024: 11 · 2023: 5 · 2022: 10 · 2021: 6 · 2020: 10 · 2019: 4 · 2018: 4 · 2017: 1
- FWCI
- 5.44
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Road Materials and Pavement Design (publishedVersion)
- Funders
- Brazilian governmental agencies CNPq and CAPES
- Topics
- Physical Sciences › Engineering › Civil and Structural Engineering › Concrete and Cement Materials Research
- Physical Sciences › Engineering › Civil and Structural Engineering › Innovative concrete reinforcement materials
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › TiO2 Photocatalysis and Solar Cells
- Keywords
- nano-TiO2, photocatalytic concrete, Portland cement concrete, anatase, rutile, compressive strength, elastic modulus, C-S-H formation, pore structure, concrete microstructure, road pavements, heat of hydration
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