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S.A. Wilson
School of Energy, Geoscience, Infrastructure and Society; Institute for Infrastructure and Environment, Heriot-Watt University, Edinburgh, UNITED KINGDOM
Civil Engineering, Building, Construction & Architecture

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Self-healing of Micro-cracks in Engineered Cementitious Composites Benny Suryanto; S.A. Wilson; W.J. McCarter
Civil Engineering Dimension Vol. 17 No. 3 (2015): SPECIAL EDITION
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (475.076 KB) | DOI: 10.9744/ced.17.3.187-194

Abstract

The performance of an Engineered Cementitious Composite (ECC) to self-heal micro-cracks under a controlled laboratory environment is presented. Ten dog-bone shaped samples were prepared; five of them were preloaded to known strains and then left to heal in water in a temperature-controlled laboratory. Ultrasonic pulse velocity (UPV) measurements were undertaken to monitor the crack-healing process. It was found that all samples exhibited recoveries in UPV and were able to recover to between 96.6% and 98% of their pre-test UPV values over a period of four weeks. An accelerated rate of healing was observed in the initial two-day period immediately following the preloading test.
Co-Authors Benny Suryanto W.J. McCarter