2014
DOI: 10.1016/j.conbuildmat.2013.11.001
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Investigating mechanical properties and self-healing behavior of micro-cracked ECC with different volume of fly ash

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Cited by 194 publications
(46 citation statements)
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“…Scientists more than a decade have worked on various self-healing concrete concepts [4,5], in order to enhance the autogenous healing of concrete. Among the most popular concepts are those which: a) limit the crack width by incorporating fibres [9][10][11][12][13], b) expand the cement matrix when in contact with water by using hydrogels [14,15] and released upon cracking [16][17][18][19][20][21][22][23][24] and d) combine the previous [10][11][12][25][26][27][28].…”
Section: Introductionmentioning
confidence: 99%
“…Scientists more than a decade have worked on various self-healing concrete concepts [4,5], in order to enhance the autogenous healing of concrete. Among the most popular concepts are those which: a) limit the crack width by incorporating fibres [9][10][11][12][13], b) expand the cement matrix when in contact with water by using hydrogels [14,15] and released upon cracking [16][17][18][19][20][21][22][23][24] and d) combine the previous [10][11][12][25][26][27][28].…”
Section: Introductionmentioning
confidence: 99%
“…e number of cracks of the specimens reduced with the decrease of the stress level. Meanwhile, the direction of propagation of the cracks was horizontal which reduced the stress concentration at the main crack edge [36]. Table 4 verified that the crack number reduces with the decreasing fatigue stress levels [14].…”
Section: P-cmod Curvesmentioning
confidence: 71%
“…특히 고강도콘크리트의 사용이 보편화 되어가고 있는 현재에는 콘크리트 중에 다량의 미수화시멘트가 존재하여 자연치유에 의한 균열충전이 더욱 더 기대된다. 한편, 단순히 균열부의 수동적인 거동을 취급하는 것뿐만 아니라 사전에 콘크리트 배합에 있어 인위적으로 팽창성 혼화재 [6,7] 플라이애시 [8,9] 및 박테리아 [10] 등을 첨가함으로서 자기치유효과를 얻고자 하는 연구가 진행되고 있다. 한편 자기치유성을 재료 에 부여하는 또 다른 방법은 자기치유제를 함유한 마이크로 캡슐 첨가에 의한 자기치유방법이다 [11,12,13,14,15] 마이 크로캡슐에 의한 자기치유 연구는 주로 폴리머 및 합성재료 분야에서 진행되어 왔으며 [13,14,15,16], 최근 콘크리트의 균열부의 자기치유에 적용되고 있다 [17,18] …”
Section: 서 론unclassified