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External treatments for the preventive repair of existing constructions : a review

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Abstract
In the present paper different external surface treatments published in the literature as preventive solutions for improving the performance of existing concrete constructions are presented and discussed. They are categorized as repair materials for concrete conservation, protection surface methods against moisture and aggressive agent penetration, injection techniques for crack sealing and preventive repair solutions with smart functionalities. In a final section, the most extended testing methods for evaluating the effectiveness of the different repair solutions are summarized depending on the property to be enhanced: moisture control and resistance against penetration of aggressive agents. The review shows that although several possibilities exist for the repair of the existing constructions, there is a lack of comparative analysis between the different methodologies. SARCOS COST Action CA15202 stablishes as scientific objectives to carry out comparative studies including the most advanced solutions for the external repair of concrete, giving criteria for effectiveness assessment and defining robust and reliable methods for charactering the performance of the repaired structures. (C) 2018 Elsevier Ltd. All rights reserved.
Keywords
FIBER-REINFORCED CONCRETE, ENGINEERED CEMENTITIOUS COMPOSITE, BACTERIAL, CARBONATE PRECIPITATION, SELF-HEALING CAPACITY, PULL-OFF ADHESION, SURFACE-TREATMENT, TITANIUM-DIOXIDE, FREEZE-THAW, COLLOIDAL NANOSIO(2), TRANSPORT-PROPERTIES, Preventive repair, External surface methods, Damaged concrete, Crack, sealing, Smart functionalities

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Chicago
Sanchez, M., P. Faria, L. Ferrara, E. Horszczaruk, H. M. Jonkers, A. Kwiecien, J. Mosa, et al. 2018. “External Treatments for the Preventive Repair of Existing Constructions : a Review.” Construction and Building Materials 193: 435–452.
APA
Sanchez, M., Faria, P., Ferrara, L., Horszczaruk, E., Jonkers, H. M., Kwiecien, A., Mosa, J., et al. (2018). External treatments for the preventive repair of existing constructions : a review. CONSTRUCTION AND BUILDING MATERIALS, 193, 435–452.
Vancouver
1.
Sanchez M, Faria P, Ferrara L, Horszczaruk E, Jonkers HM, Kwiecien A, et al. External treatments for the preventive repair of existing constructions : a review. CONSTRUCTION AND BUILDING MATERIALS. Oxford: Elsevier Sci Ltd; 2018;193:435–52.
MLA
Sanchez, M. et al. “External Treatments for the Preventive Repair of Existing Constructions : a Review.” CONSTRUCTION AND BUILDING MATERIALS 193 (2018): 435–452. Print.
@article{8601748,
  abstract     = {In the present paper different external surface treatments published in the literature as preventive solutions for improving the performance of existing concrete constructions are presented and discussed. They are categorized as repair materials for concrete conservation, protection surface methods against moisture and aggressive agent penetration, injection techniques for crack sealing and preventive repair solutions with smart functionalities. In a final section, the most extended testing methods for evaluating the effectiveness of the different repair solutions are summarized depending on the property to be enhanced: moisture control and resistance against penetration of aggressive agents. The review shows that although several possibilities exist for the repair of the existing constructions, there is a lack of comparative analysis between the different methodologies. SARCOS COST Action CA15202 stablishes as scientific objectives to carry out comparative studies including the most advanced solutions for the external repair of concrete, giving criteria for effectiveness assessment and defining robust and reliable methods for charactering the performance of the repaired structures. (C) 2018 Elsevier Ltd. All rights reserved.},
  author       = {Sanchez, M. and Faria, P. and Ferrara, L. and Horszczaruk, E. and Jonkers, H. M. and Kwiecien, A. and Mosa, J. and Peled, A. and Pereira, A. S. and Snoeck, Didier and Stefanidou, M. and Stryszewska, T. and Zajac, B.},
  issn         = {0950-0618},
  journal      = {CONSTRUCTION AND BUILDING MATERIALS},
  language     = {eng},
  pages        = {435--452},
  publisher    = {Elsevier Sci Ltd},
  title        = {External treatments for the preventive repair of existing constructions : a review},
  url          = {http://dx.doi.org/10.1016/j.conbuildmat.2018.10.173},
  volume       = {193},
  year         = {2018},
}

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