Development of self-healing system for concrete with selective heating around crack

Tomoya Nishiwaki, Hirozo Mihashi, Byung Koog Jang, Kazuaki Miura

Research output: Contribution to journalArticlepeer-review

73 Citations (Scopus)

Abstract

A fundamental study was carried out to develop a kind of smart concrete that has a self-healing system that incorporates a heating device. Self-diagnosis composite is employed as the heating device used to heat up cracked parts in the concrete. This heating device and a pipe made of heat-plasticity organic film containing a repair agent are embedded in the concrete. The film is melted through suitable heating. Selective heat around a crack can melt the film to allow the repair agent to fill up the crack and harden the repair agent in the crack. Three-dimensional thermal analysis and an experimental study were carried out to confirm the proposed method.

Original languageEnglish
Pages (from-to)267-275
Number of pages9
JournalJournal of Advanced Concrete Technology
Volume4
Issue number2
DOIs
Publication statusPublished - 2006

ASJC Scopus subject areas

  • Building and Construction
  • Materials Science(all)

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