Development of engineered self-healing and self-repairing concrete-state-of-the-art report

Hirozo Mihashi, Tomoya Nishiwaki

研究成果: Review article査読

149 被引用数 (Scopus)

抄録

Challenging studies of engineered self-healing and self-repairing functions in concrete structures are briefly reviewed. While self-healing of concrete has been studied for a long time, it was only recently noticed that some engineered technologies are useful to stimulate the potential of concrete to be self-healed. For example, fiber reinforced cementitious composites (FRCC) have a much higher potential of self-healing than ordinary concrete because of their capability to keep cracks thinner and also because of the bridging network system in cracks; a specific bio-chemical approach, i.e. the application of mineral-precipitating bacteria, is now available; and various mineral admixtures are useful for practical application. Furthermore, the new concept of self-repairing concrete, which is based on the design concept of intelligent materials, is reported. Self-repairing concrete is concrete that incorporates devices for achieving the three key functions of an intelligent material, (1) sensing, (2) processing, and (3) actuating. This paper is a state-of-the-art report on the recent development of engineered self-healing and self-repairing concrete.

本文言語English
ページ(範囲)170-184
ページ数15
ジャーナルJournal of Advanced Concrete Technology
10
5
DOI
出版ステータスPublished - 2012

ASJC Scopus subject areas

  • 建築および建設
  • 材料科学(全般)

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