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Properties of hybrid cementitious composite with metakaolin, nanosilica and epoxy.

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Title: Properties of hybrid cementitious composite with metakaolin, nanosilica and epoxy.
Authors: Alonge, O. Richard1 Olarichy07@gmail.com, Ramli, Mahyuddin B.1 mahyudin@usm.my, Lawalson, T. John2 temitopejohnny@gmail.com
Source: Construction & Building Materials. Nov2017, Vol. 155, p740-750. 11p.
Subjects: Compressive strength, Cement composites, Concrete durability, Kaolin, Silica dust, Epoxy resins
Abstract: The compressive strength and durability potentials of hybrid cementitious composites (HCC) that contain metakaolin (MK), produced in the laboratory using raw kaolin, nanosilica and epoxy resin was the main focus of this research study. The HCC specimens contain 10% metakaolin (MK), 1% colloidal nanosilica (CNS) and 1% epoxy resins and the specimens were examined for early ages of 7, 28, and 90 days of exposure in both water and seawater. The durability properties investigated in this research study comprise of water absorption, intrinsic air permeability, chloride penetration and porosity. All tests were conducted to assess the influence of MK, CNS and epoxy on the compressive strength and the durability properties of the HCC specimens. The result showed that HCC specimens with 10% MK, 1% CNS was durable relative to all the properties. Nevertheless, the addition of both natural fibers (coconut and oil palm fruit bunch fibers) and synthetic fiber (bar chip fiber) has a slight negative impact on the durability properties of HCC specimens. Conclusively, the results showed that the menace of water, liquid and gas transportation by water absorption, capillary suction, porosity, chloride penetration, and intrinsic air permeability of HCC were lesser than that of control specimen. [ABSTRACT FROM AUTHOR]
Copyright of Construction & Building Materials is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 125526761
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Properties of hybrid cementitious composite with metakaolin, nanosilica and epoxy.
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  Data: <searchLink fieldCode="AR" term="%22Alonge%2C+O%2E+Richard%22">Alonge, O. Richard</searchLink><relatesTo>1</relatesTo><i> Olarichy07@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Ramli%2C+Mahyuddin+B%2E%22">Ramli, Mahyuddin B.</searchLink><relatesTo>1</relatesTo><i> mahyudin@usm.my</i><br /><searchLink fieldCode="AR" term="%22Lawalson%2C+T%2E+John%22">Lawalson, T. John</searchLink><relatesTo>2</relatesTo><i> temitopejohnny@gmail.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Construction+%26+Building+Materials%22">Construction & Building Materials</searchLink>. Nov2017, Vol. 155, p740-750. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Compressive+strength%22">Compressive strength</searchLink><br /><searchLink fieldCode="DE" term="%22Cement+composites%22">Cement composites</searchLink><br /><searchLink fieldCode="DE" term="%22Concrete+durability%22">Concrete durability</searchLink><br /><searchLink fieldCode="DE" term="%22Kaolin%22">Kaolin</searchLink><br /><searchLink fieldCode="DE" term="%22Silica+dust%22">Silica dust</searchLink><br /><searchLink fieldCode="DE" term="%22Epoxy+resins%22">Epoxy resins</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The compressive strength and durability potentials of hybrid cementitious composites (HCC) that contain metakaolin (MK), produced in the laboratory using raw kaolin, nanosilica and epoxy resin was the main focus of this research study. The HCC specimens contain 10% metakaolin (MK), 1% colloidal nanosilica (CNS) and 1% epoxy resins and the specimens were examined for early ages of 7, 28, and 90 days of exposure in both water and seawater. The durability properties investigated in this research study comprise of water absorption, intrinsic air permeability, chloride penetration and porosity. All tests were conducted to assess the influence of MK, CNS and epoxy on the compressive strength and the durability properties of the HCC specimens. The result showed that HCC specimens with 10% MK, 1% CNS was durable relative to all the properties. Nevertheless, the addition of both natural fibers (coconut and oil palm fruit bunch fibers) and synthetic fiber (bar chip fiber) has a slight negative impact on the durability properties of HCC specimens. Conclusively, the results showed that the menace of water, liquid and gas transportation by water absorption, capillary suction, porosity, chloride penetration, and intrinsic air permeability of HCC were lesser than that of control specimen. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Construction & Building Materials is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.conbuildmat.2017.08.105
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 11
        StartPage: 740
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      – SubjectFull: Compressive strength
        Type: general
      – SubjectFull: Cement composites
        Type: general
      – SubjectFull: Concrete durability
        Type: general
      – SubjectFull: Kaolin
        Type: general
      – SubjectFull: Silica dust
        Type: general
      – SubjectFull: Epoxy resins
        Type: general
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      – TitleFull: Properties of hybrid cementitious composite with metakaolin, nanosilica and epoxy.
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            – D: 30
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              Text: Nov2017
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              Y: 2017
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