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Erschienen in:
Finite Element Analysis on Torsion Behaviour for Tapered Steel Section with Perforation Kapitel lesen Erstes Kapitel lesen

2020 | OriginalPaper | Buchkapitel

Effects of Nano-silica on Concrete Properties—Literature Review

verfasst von : Khaldon Kasim Aswed

Erschienen in: Proceedings of AICCE'19

Verlag: Springer International Publishing

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Abstract

This paper is a reviewing study about the use of Nano silica as an additive or a cement partial replacing material to enhance most of concrete properties. Due to their ability to fill even in extremely small voids and their pozzolanic reactivity, silica nanoparticles were found to effectively modify concrete microstructure into refined denser system. They considerably improve the cement-aggregate Interfacial transitional zone by filling the voids, consuming CH crystalline particle and producing more CSH gel. These modifications are presented as SEM images, XRD and thermogravimetric TG graphs as reported by the researchers. Through the microstructure improvement, NS was found to enhance most of concrete mechanical and durability properties. The effects of incorporating NS on concrete compressive, flexural and tensile strengths, water permeability, sulfate resistance and resistance to chloride permeability were reviewed and discussed. Effect of NS on fresh concrete workability and setting time were also studied.

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Vorheriges Kapitel Load-Displacement Behaviors of Reinforced Concrete Beam Embedded with Galvanized Steel Cable: Comparison Between Experiment and Finite Element Analysis
Nächstes Kapitel Economic and Environmental Assessments for Constructing New Roads: Case Study of Al-Muthanna Highway in Baghdad City
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Metadaten
Titel
Effects of Nano-silica on Concrete Properties—Literature Review
verfasst von
Khaldon Kasim Aswed
Copyright-Jahr
2020
Buch
Proceedings of AICCE'19

Print ISBN: 978-3-030-32815-3

Electronic ISBN: 978-3-030-32816-0

Copyright-Jahr: 2020

DOI
https://doi.org/10.1007/978-3-030-32816-0_35