Self-healing of Micro-cracks in Engineered Cementitious Composites

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 laborato...

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Main Authors: Suryanto B., Wilson S.A., McCarter W.J.
Format: Article
Language:English
Published: Petra Christian University 2015-12-01
Series:Civil Engineering Dimension
Subjects:
Online Access:http://puslit2.petra.ac.id/ejournal/index.php/civ/article/view/19422
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author Suryanto B.
Wilson S.A.
McCarter W.J.
author_facet Suryanto B.
Wilson S.A.
McCarter W.J.
author_sort Suryanto B.
collection DOAJ
description 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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spelling doaj.art-e7cf5c8dd9c744f3b94551c3ee4d39842022-12-21T17:31:01ZengPetra Christian UniversityCivil Engineering Dimension1410-95301979-570X2015-12-01173187194Self-healing of Micro-cracks in Engineered Cementitious CompositesSuryanto B.0Wilson S.A.1McCarter W.J.2 School of Energy, Geoscience, Infrastructure and Society; Institute for Infrastructure and Environment, Heriot-Watt University, Edinburgh, UNITED KINGDOM School of Energy, Geoscience, Infrastructure and Society; Institute for Infrastructure and Environment, Heriot-Watt University, Edinburgh, UNITED KINGDOM School of Energy, Geoscience, Infrastructure and Society; Institute for Infrastructure and Environment, Heriot-Watt University, Edinburgh, UNITED KINGDOM 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.http://puslit2.petra.ac.id/ejournal/index.php/civ/article/view/19422Cementitious compositeECCself-healingcrackultrasonic pulse velocity.
spellingShingle Suryanto B.
Wilson S.A.
McCarter W.J.
Self-healing of Micro-cracks in Engineered Cementitious Composites
Civil Engineering Dimension
Cementitious composite
ECC
self-healing
crack
ultrasonic pulse velocity.
title Self-healing of Micro-cracks in Engineered Cementitious Composites
title_full Self-healing of Micro-cracks in Engineered Cementitious Composites
title_fullStr Self-healing of Micro-cracks in Engineered Cementitious Composites
title_full_unstemmed Self-healing of Micro-cracks in Engineered Cementitious Composites
title_short Self-healing of Micro-cracks in Engineered Cementitious Composites
title_sort self healing of micro cracks in engineered cementitious composites
topic Cementitious composite
ECC
self-healing
crack
ultrasonic pulse velocity.
url http://puslit2.petra.ac.id/ejournal/index.php/civ/article/view/19422
work_keys_str_mv AT suryantob selfhealingofmicrocracksinengineeredcementitiouscomposites
AT wilsonsa selfhealingofmicrocracksinengineeredcementitiouscomposites
AT mccarterwj selfhealingofmicrocracksinengineeredcementitiouscomposites