Garuda - Garba Rujukan Digital

Civil Engineering Dimension

Vol. 17 No. 3 (2015): SPECIAL EDITION

Benny Suryanto (School of Energy, Geoscience, Infrastructure and Society
Institute for Infrastructure and Environment, Heriot-Watt University, Edinburgh, UNITED KINGDOM)
S.A. Wilson (School of Energy, Geoscience, Infrastructure and Society
Institute for Infrastructure and Environment, Heriot-Watt University, Edinburgh, UNITED KINGDOM)
W.J. McCarter (School of Energy, Geoscience, Infrastructure and Society
Institute for Infrastructure and Environment, Heriot-Watt University, Edinburgh, UNITED KINGDOM)

Publish Date
18 Dec 2015

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.

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