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.
| Original language | English |
|---|---|
| Pages (from-to) | 187-194 |
| Number of pages | 8 |
| Journal | Civil Engineering Dimension |
| Volume | 17 |
| Issue number | 3 |
| Publication status | Published - 2015 |
Keywords
- cementitious composite
- ECC
- self-healing
- crack
- ultrasonic pulse velocity