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Factors Affecting the Self-Healing Efficiency of Cracked Concrete Structures

Received: 5 July 2017     Accepted: 18 July 2017     Published: 28 November 2017
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Abstract

Self-healing concrete is the ability of concrete to repair its cracks autogenously or autonomously. Since some years ago, several studies have been conducted towards the improvement of self-healing efficiency of cracked concrete structures through various methods for the betterment of its application. However, there is a need to prepare a thorough review report on the factors that affect self-healing efficiency of concrete. This paper focusses a review on several factors that affect the self-repairing efficiency of self-healing smart concrete from the extant recent literature. Based on the review carried out, it can be concluded that formation of CaCO3 or Ca (OH) 2 in natural process, the dosage of capsule and type of healing agent in chemical process, and the type of bacteria and precipitation of CaCO3 in biological process of self-healing are the most vivid factors. It can also be summarised as better self-healing efficiency is achieved during early age of concrete, with narrower cracks, higher concentration of Ca2+ ions, optimum thickness of capsule shell and dosage of capsule.

Published in American Journal of Applied Scientific Research (Volume 3, Issue 6)
DOI 10.11648/j.ajasr.20170306.12
Page(s) 80-86
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2017. Published by Science Publishing Group

Keywords

Crack, Smart Concrete, Self-Healing Concrete, Natural Self-Healing Process, Chemical Self-Healing Process, Biological Self-Healing Process, Mineral Admixtures

References
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Cite This Article
  • APA Style

    Meseret Getnet Meharie, James Wambua Kaluli, Zachary Abiero-Gariy, Nandyala Darga Kumar. (2017). Factors Affecting the Self-Healing Efficiency of Cracked Concrete Structures. American Journal of Applied Scientific Research, 3(6), 80-86. https://doi.org/10.11648/j.ajasr.20170306.12

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    ACS Style

    Meseret Getnet Meharie; James Wambua Kaluli; Zachary Abiero-Gariy; Nandyala Darga Kumar. Factors Affecting the Self-Healing Efficiency of Cracked Concrete Structures. Am. J. Appl. Sci. Res. 2017, 3(6), 80-86. doi: 10.11648/j.ajasr.20170306.12

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    AMA Style

    Meseret Getnet Meharie, James Wambua Kaluli, Zachary Abiero-Gariy, Nandyala Darga Kumar. Factors Affecting the Self-Healing Efficiency of Cracked Concrete Structures. Am J Appl Sci Res. 2017;3(6):80-86. doi: 10.11648/j.ajasr.20170306.12

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  • @article{10.11648/j.ajasr.20170306.12,
      author = {Meseret Getnet Meharie and James Wambua Kaluli and Zachary Abiero-Gariy and Nandyala Darga Kumar},
      title = {Factors Affecting the Self-Healing Efficiency of Cracked Concrete Structures},
      journal = {American Journal of Applied Scientific Research},
      volume = {3},
      number = {6},
      pages = {80-86},
      doi = {10.11648/j.ajasr.20170306.12},
      url = {https://doi.org/10.11648/j.ajasr.20170306.12},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajasr.20170306.12},
      abstract = {Self-healing concrete is the ability of concrete to repair its cracks autogenously or autonomously. Since some years ago, several studies have been conducted towards the improvement of self-healing efficiency of cracked concrete structures through various methods for the betterment of its application. However, there is a need to prepare a thorough review report on the factors that affect self-healing efficiency of concrete. This paper focusses a review on several factors that affect the self-repairing efficiency of self-healing smart concrete from the extant recent literature. Based on the review carried out, it can be concluded that formation of CaCO3 or Ca (OH) 2 in natural process, the dosage of capsule and type of healing agent in chemical process, and the type of bacteria and precipitation of CaCO3 in biological process of self-healing are the most vivid factors. It can also be summarised as better self-healing efficiency is achieved during early age of concrete, with narrower cracks, higher concentration of Ca2+ ions, optimum thickness of capsule shell and dosage of capsule.},
     year = {2017}
    }
    

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  • TY  - JOUR
    T1  - Factors Affecting the Self-Healing Efficiency of Cracked Concrete Structures
    AU  - Meseret Getnet Meharie
    AU  - James Wambua Kaluli
    AU  - Zachary Abiero-Gariy
    AU  - Nandyala Darga Kumar
    Y1  - 2017/11/28
    PY  - 2017
    N1  - https://doi.org/10.11648/j.ajasr.20170306.12
    DO  - 10.11648/j.ajasr.20170306.12
    T2  - American Journal of Applied Scientific Research
    JF  - American Journal of Applied Scientific Research
    JO  - American Journal of Applied Scientific Research
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    EP  - 86
    PB  - Science Publishing Group
    SN  - 2471-9730
    UR  - https://doi.org/10.11648/j.ajasr.20170306.12
    AB  - Self-healing concrete is the ability of concrete to repair its cracks autogenously or autonomously. Since some years ago, several studies have been conducted towards the improvement of self-healing efficiency of cracked concrete structures through various methods for the betterment of its application. However, there is a need to prepare a thorough review report on the factors that affect self-healing efficiency of concrete. This paper focusses a review on several factors that affect the self-repairing efficiency of self-healing smart concrete from the extant recent literature. Based on the review carried out, it can be concluded that formation of CaCO3 or Ca (OH) 2 in natural process, the dosage of capsule and type of healing agent in chemical process, and the type of bacteria and precipitation of CaCO3 in biological process of self-healing are the most vivid factors. It can also be summarised as better self-healing efficiency is achieved during early age of concrete, with narrower cracks, higher concentration of Ca2+ ions, optimum thickness of capsule shell and dosage of capsule.
    VL  - 3
    IS  - 6
    ER  - 

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Author Information
  • Department of Civil Engineering, Pan African University Institute for Basic Sciences, Technology and Innovation, Nairobi, Kenya

  • Department of Civil Engineering, Pan African University Institute for Basic Sciences, Technology and Innovation, Nairobi, Kenya

  • Department of Civil Engineering, Pan African University Institute for Basic Sciences, Technology and Innovation, Nairobi, Kenya

  • Department of Civil Engineering, Fiji National University (FNU), Samabula, Suva, Fiji Islands

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