ArticleMaterials (Basel, Switzerland)2021
Effect of Nano-SiO
Article in Materials (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Mechanical, microstructure, durability, and economic assessment of nano titanium dioxide integrated concrete.Scientific reports · 2025Article
- Optimizing nanomaterial dosages in concrete for structural applications using experimental design techniques.Scientific reports · 2025Article
- Determination of Fracture Mechanic Parameters of Concretes Based on Cement Matrix Enhanced by Fly Ash and Nano-Silica.Materials (Basel, Switzerland) · 2024Article
- An Elucidative Review of the Nanomaterial Effect on the Durability and Calcium-Silicate-Hydrate (C-S-H) Gel Development of Concrete.Gels (Basel, Switzerland) · 2023Review
- The effect of Caspian Sea water on mechanical properties and durability of concrete containing rice husk ash, nano [Formula: see text], and nano [Formula: see text].Scientific reports · 2022Article
- Influence of Water with Oxygen and Ozone Micro-Nano Bubbles on Concrete Physical Properties.Materials (Basel, Switzerland) · 2022Article
- Concrete Performance Attenuation of Mix Nano-SiOMaterials (Basel, Switzerland) · 2022Review
- Study on Mechanical Behavior and Energy Mechanism of Sandstone under Chemical Corrosion.Materials (Basel, Switzerland) · 2022Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The aim of the research was to determine how the admixture of nanosilica affects the structure and mechanical performance of cement concrete exposed to high temperatures (200, 400, 600, and 800 °C). The structural tests were carried out on the cement paste and concrete using the methods of thermogravimetric analysis, mercury porosimetry, and scanning electron microscopy. The results show that despite the growth of the cement matrix's total porosity with an increasing amount of nanosilica, the resistance to high temperature improves. Such behavior is the result of not only the thermal characteristics of nanosilica itself but also of the porosity structure in the cement matrix and using the effective method of dispersing the nanostructures in concrete. The nanosilica densifies the structure of the concrete, limiting the number of the pores with diameters from 0.3 to 300 μm, which leads to limitation of the microcracks, particularly in the coarse aggregate-cement matrix contact zone. This phenomenon, in turn, diminishes the cracking of the specimens containing nanosilica at high temperatures and improves the mechanical strength.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.