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dc.contributor.authorFerrara, Liberato-
dc.contributor.authorMullem, Tim Van-
dc.contributor.authorAlonso, M. Cruz-
dc.contributor.authorAntonaci, Paola-
dc.contributor.authorBorg, Ruben Paul-
dc.contributor.authorCuenca, Estefania-
dc.contributor.authorJefferson, Tony-
dc.contributor.authorNg, Pui-Lam-
dc.contributor.authorPeled, Alba-
dc.contributor.authorRoig-Flores, M.-
dc.contributor.authorSánchez Moreno, Mercedes-
dc.contributor.authorSchroefl, Christof-
dc.contributor.authorSerna, Pedro-
dc.contributor.authorSnoeck, Didier-
dc.contributor.authorTulliani, Jean-Marc-
dc.contributor.authorBelie, Nele de-
dc.identifierdoi: 10.1016/j.conbuildmat.2018.01.143-
dc.identifiere-issn: 1879-0526-
dc.identifierissn: 0950-0618-
dc.identifier.citationConstruction and Building Materials 167: 115-142 (2018)-
dc.description.abstractHeuristically known at least since the first half of XIX century, the self-healing capacity of cement-based materials has been receiving keen attention from the civil engineering community worldwide in the last decade. As a matter of fact, stimulating and/or engineering the aforementioned functionality via tailored addition and technologies, in order to make it more reliable in an engineering perspective, has been regarded as a viable pathway to enhance the durability of reinforced concrete structures and contribute to increase their service life. Research activities have provided enlightening contributions to understanding the mechanisms of crack self-sealing and healing and have led to the blooming of a number of self-healing stimulating and engineering technologies, whose effectiveness has been soundly proved in the laboratory and, in a few cases, also scaled up to field applications, with ongoing performance monitoring. Nonetheless, the large variety of methodologies employed to assess the effectiveness of the developed self-healing technologies makes it necessary to provide a unified, if not standardized, framework for the validation and comparative evaluation of the same self-healing technologies as above. This is also instrumental to pave the way towards a consistent incorporation of self-healing concepts into structural design and life cycles analysis codified approaches, which can only promote the diffusion of feasible and reliable self-healing technologies into the construction market. In this framework the Working Group 2 of the COST Action CA 15202 >Self-healing as preventive repair of concrete structures - SARCOS> has undertaken the ambitious task reported in this paper. As a matter of fact this state of the art provides a comprehensive and critical review of the experimental methods and techniques, which have been employed to characterize and quantify the self-sealing and/or self-healing capacity of cement-based materials, as well as the effectiveness of the different self-sealing and/or self-healing engineering techniques, together with the methods for the analysis of the chemical composition and intrinsic nature of the self-healing products. The review will also address the correlation, which can be established between crack closure and the recovery of physical/mechanical properties, as measured by means of the different reviewed tests.-
dc.description.sponsorshipThe authors acknowledge the support from EU COST Action CA 15202 “SARCOS” (http://www.sarcos.eng.cam.ac.uk). E. Cuenca and L. Ferrara acknowledge the financial support of the PoliMi International Fellowships 2015 (PIF). T. Van Mullem and N. De Belie acknowledge the grant (17SCIP-B103706-03) from the Construction Technology Research Program funded by Ministry of Land, Infrastructure and Transport of Korean Government.-
dc.subjectCementitious materials-
dc.subjectMechanical properties-
dc.subjectSelf-healing products-
dc.subjectField evaluation-
dc.titleExperimental characterization of the self-healing capacity of cement based materials and its effects on the material performance: A state of the art report by COST Action SARCOS WG2-
dc.contributor.funderMinistry of Science, ICT and Future Planning (South Korea)-
dc.contributor.funderEuropean Commission-
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