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A Comparative Study of Al2O3, ZnO and Bentonite Effect on Structural Grade Mortar

Research output: Chapter in Book/Conference proceeding with ISSN or ISBNConference contribution with ISSN or ISBNpeer-review

Abstract

In recent years, nanoparticles have gained much attention in producing cementitious materials to modify both fresh and hardened properties, including their long-term durability characteristics. Due to its higher fineness and surface area, superior pozzolanic properties, nanoparticles have shown more significant improvement in cementitious materials' microstructure. Additionally, some micro filler materials also can improve the properties of hardened cementitious materials by filling up the micropores. Within this context, the focus of this paper is to investigate the optimum dosages of nano-Al2O 3, nano-ZnO and bentonite in the production of medium strength (about 25-35 MPa) structural grade mortar. For the characterisation of materials properties, a compressive strength test is performed. The experimental results showed that up to a certain dosage of both nano-Al2O 3 and bentonite, compressive strength is increased. After that, increasing dosages lead to a decrease in strength. However, strength can be significantly reduced when nano-ZnO is used in the mix.

Original languageEnglish
Title of host publicationProceedings of the 6th World Congress on Civil, Structural, and Environmental Engineering, CSEE 2021
EditorsTarek Abdoun, Mohamed Arab, Johan Clausen, Johan Facciorusso, Ahmed Fahmy, Rajeshwar Goodary, Russell A. Green, Marte Gutierrez, Ian Jefferson, Fei Jin, Stefan Jung, Victor Kaliakin, Antonio Miglio, Nunziante Squeglia, Roger Tilley, Helen Mitrani, Rathje Ellen, Dante Fratta
PublisherAvestia Publishing
Number of pages10
ISBN (Print)9781927877906
DOIs
Publication statusPublished - 21 Jun 2021
Event6th World Congress on Civil, Structural, and Environmental Engineering, CSEE 2021 - Virtual, Online
Duration: 21 Jun 202123 Jun 2021

Publication series

NameWorld Congress on Civil, Structural, and Environmental Engineering
ISSN (Electronic)2371-5294

Conference

Conference6th World Congress on Civil, Structural, and Environmental Engineering, CSEE 2021
CityVirtual, Online
Period21/06/2123/06/21

Bibliographical note

Publisher Copyright:
© 2021, Avestia Publishing. All rights reserved.

Keywords

  • bentonite
  • compressive strength
  • microstructure
  • nano-Al 2O3
  • nano-ZnO

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