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Applying a biodeposition layer to increase the bond of a repair mortar on a mortar substrate

Didier Snoeck UGent, Jianyun Wang UGent, D. P. Bentz and Nele De Belie UGent (2018) CEMENT & CONCRETE COMPOSITES. 86. p.30-39
abstract
One of the major concerns in infrastructure repair is a sufficient bond between the substrate and the repair material, especially for the long-term performance and durability of the repaired structure. In this study, the bond of the repair material on the mortar substrate is promoted via the biodeposition of a calcium carbonate layer by a ureolytic bacterium. X-ray diffraction and scanning electron microscopy were used to examine the interfaces between the repair material and the substrate, as well as the polymorph of the deposited calcium carbonate. The approximately 50 mu m thick biodeposition film on the mortar surface mostly consisted of calcite and vaterite. Both the repair material and the substrate tended to show a good adherence to that layer. The bond, as assessed by slant shear specimen testing, was improved by the presence of the biodeposition layer. A further increase was found when engineering the substrate surface using a structured pattern layer of biodeposition. (C) 2017 Elsevier Ltd. All rights reserved.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
BACTERIAL CARBONATE PRECIPITATION, INTERFACIAL TRANSITION ZONE, CONCRETE, SUBSTRATE, CEMENTITIOUS MATERIALS, SURFACE-TREATMENT, STRENGTH, CONSERVATION, VATERITE, EDX, X-Ray diffraction, Bond strength, Mortar, Bacteria, Biodeposition
journal title
CEMENT & CONCRETE COMPOSITES
Cem. Concr. Compos.
volume
86
pages
10 pages
publisher
Elsevier Sci Ltd
place of publication
Oxford
Web of Science type
Article
Web of Science id
000423889400004
ISSN
0958-9465
1873-393X
DOI
10.1016/j.cemconcomp.2017.11.001
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
8557500
handle
http://hdl.handle.net/1854/LU-8557500
date created
2018-03-27 12:39:24
date last changed
2018-05-14 09:50:13
@article{8557500,
  abstract     = {One of the major concerns in infrastructure repair is a sufficient bond between the substrate and the repair material, especially for the long-term performance and durability of the repaired structure. In this study, the bond of the repair material on the mortar substrate is promoted via the biodeposition of a calcium carbonate layer by a ureolytic bacterium. X-ray diffraction and scanning electron microscopy were used to examine the interfaces between the repair material and the substrate, as well as the polymorph of the deposited calcium carbonate. The approximately 50 mu m thick biodeposition film on the mortar surface mostly consisted of calcite and vaterite. Both the repair material and the substrate tended to show a good adherence to that layer. The bond, as assessed by slant shear specimen testing, was improved by the presence of the biodeposition layer. A further increase was found when engineering the substrate surface using a structured pattern layer of biodeposition. (C) 2017 Elsevier Ltd. All rights reserved.},
  author       = {Snoeck, Didier and Wang, Jianyun and Bentz, D. P. and De Belie, Nele},
  issn         = {0958-9465},
  journal      = {CEMENT \& CONCRETE COMPOSITES},
  keyword      = {BACTERIAL CARBONATE PRECIPITATION,INTERFACIAL TRANSITION ZONE,CONCRETE,SUBSTRATE,CEMENTITIOUS MATERIALS,SURFACE-TREATMENT,STRENGTH,CONSERVATION,VATERITE,EDX,X-Ray diffraction,Bond strength,Mortar,Bacteria,Biodeposition},
  language     = {eng},
  pages        = {30--39},
  publisher    = {Elsevier Sci Ltd},
  title        = {Applying a biodeposition layer to increase the bond of a repair mortar on a mortar substrate},
  url          = {http://dx.doi.org/10.1016/j.cemconcomp.2017.11.001},
  volume       = {86},
  year         = {2018},
}

Chicago
Snoeck, Didier, Jianyun Wang, D. P. Bentz, and Nele De Belie. 2018. “Applying a Biodeposition Layer to Increase the Bond of a Repair Mortar on a Mortar Substrate.” Cement & Concrete Composites 86: 30–39.
APA
Snoeck, D., Wang, J., Bentz, D. P., & De Belie, N. (2018). Applying a biodeposition layer to increase the bond of a repair mortar on a mortar substrate. CEMENT & CONCRETE COMPOSITES, 86, 30–39.
Vancouver
1.
Snoeck D, Wang J, Bentz DP, De Belie N. Applying a biodeposition layer to increase the bond of a repair mortar on a mortar substrate. CEMENT & CONCRETE COMPOSITES. Oxford: Elsevier Sci Ltd; 2018;86:30–9.
MLA
Snoeck, Didier, Jianyun Wang, D. P. Bentz, et al. “Applying a Biodeposition Layer to Increase the Bond of a Repair Mortar on a Mortar Substrate.” CEMENT & CONCRETE COMPOSITES 86 (2018): 30–39. Print.