Comparison of the condition of steel fiber-reinforced shotcrete with water-glass and alkali-free activators after more than 20 years of service in a subsea road tunnel
The in-service condition of steel fiber-reinforced shotcrete installed more than 20 years ago as single-shell rock support lining in the Nordkapp subsea road tunnel was investigated. The novelty of this study is the comparison of shotcrete with water–glass and alkali-free activators in a saline grou...
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Language: | English |
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Online Access: | https://hdl.handle.net/11250/2986006 https://doi.org/10.1016/j.conbuildmat.2022.127090 |
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ftsintef:oai:sintef.brage.unit.no:11250/2986006 2023-05-15T17:24:26+02:00 Comparison of the condition of steel fiber-reinforced shotcrete with water-glass and alkali-free activators after more than 20 years of service in a subsea road tunnel Manquehual Mery, Cristobal Javier Jakobsen, Pål Drevland Holter, Karl Gunnar De Weerdt, Klaartje Danner, Tobias Alexander Bruland, Amund 2022 application/pdf https://hdl.handle.net/11250/2986006 https://doi.org/10.1016/j.conbuildmat.2022.127090 eng eng Elsevier urn:issn:0950-0618 https://hdl.handle.net/11250/2986006 https://doi.org/10.1016/j.conbuildmat.2022.127090 cristin:2008696 CC BY 4.0 http://creativecommons.org/licenses/by/4.0/ © 2022 The Authors CC-BY 328 Construction and Building Materials 127090 XRD μ-XRF Sprayed concrete Sulfur Leaching Chloride VDP::Teknologi: 500 Peer reviewed Journal article 2022 ftsintef https://doi.org/10.1016/j.conbuildmat.2022.127090 2022-03-23T23:40:07Z The in-service condition of steel fiber-reinforced shotcrete installed more than 20 years ago as single-shell rock support lining in the Nordkapp subsea road tunnel was investigated. The novelty of this study is the comparison of shotcrete with water–glass and alkali-free activators in a saline groundwater environment. The lowest shotcrete density was obtained at joints between two adjacent shotcrete layers. In the case of alkali-free accelerator, ettringite enrichment was observed in these joints. Leaching appeared to be the main degradation mechanism in the outermost 10–15 cm towards the traffic room. publishedVersion Article in Journal/Newspaper Nordkapp SINTEF Open (Brage) Construction and Building Materials 328 127090 |
institution |
Open Polar |
collection |
SINTEF Open (Brage) |
op_collection_id |
ftsintef |
language |
English |
topic |
XRD μ-XRF Sprayed concrete Sulfur Leaching Chloride VDP::Teknologi: 500 |
spellingShingle |
XRD μ-XRF Sprayed concrete Sulfur Leaching Chloride VDP::Teknologi: 500 Manquehual Mery, Cristobal Javier Jakobsen, Pål Drevland Holter, Karl Gunnar De Weerdt, Klaartje Danner, Tobias Alexander Bruland, Amund Comparison of the condition of steel fiber-reinforced shotcrete with water-glass and alkali-free activators after more than 20 years of service in a subsea road tunnel |
topic_facet |
XRD μ-XRF Sprayed concrete Sulfur Leaching Chloride VDP::Teknologi: 500 |
description |
The in-service condition of steel fiber-reinforced shotcrete installed more than 20 years ago as single-shell rock support lining in the Nordkapp subsea road tunnel was investigated. The novelty of this study is the comparison of shotcrete with water–glass and alkali-free activators in a saline groundwater environment. The lowest shotcrete density was obtained at joints between two adjacent shotcrete layers. In the case of alkali-free accelerator, ettringite enrichment was observed in these joints. Leaching appeared to be the main degradation mechanism in the outermost 10–15 cm towards the traffic room. publishedVersion |
format |
Article in Journal/Newspaper |
author |
Manquehual Mery, Cristobal Javier Jakobsen, Pål Drevland Holter, Karl Gunnar De Weerdt, Klaartje Danner, Tobias Alexander Bruland, Amund |
author_facet |
Manquehual Mery, Cristobal Javier Jakobsen, Pål Drevland Holter, Karl Gunnar De Weerdt, Klaartje Danner, Tobias Alexander Bruland, Amund |
author_sort |
Manquehual Mery, Cristobal Javier |
title |
Comparison of the condition of steel fiber-reinforced shotcrete with water-glass and alkali-free activators after more than 20 years of service in a subsea road tunnel |
title_short |
Comparison of the condition of steel fiber-reinforced shotcrete with water-glass and alkali-free activators after more than 20 years of service in a subsea road tunnel |
title_full |
Comparison of the condition of steel fiber-reinforced shotcrete with water-glass and alkali-free activators after more than 20 years of service in a subsea road tunnel |
title_fullStr |
Comparison of the condition of steel fiber-reinforced shotcrete with water-glass and alkali-free activators after more than 20 years of service in a subsea road tunnel |
title_full_unstemmed |
Comparison of the condition of steel fiber-reinforced shotcrete with water-glass and alkali-free activators after more than 20 years of service in a subsea road tunnel |
title_sort |
comparison of the condition of steel fiber-reinforced shotcrete with water-glass and alkali-free activators after more than 20 years of service in a subsea road tunnel |
publisher |
Elsevier |
publishDate |
2022 |
url |
https://hdl.handle.net/11250/2986006 https://doi.org/10.1016/j.conbuildmat.2022.127090 |
genre |
Nordkapp |
genre_facet |
Nordkapp |
op_source |
328 Construction and Building Materials 127090 |
op_relation |
urn:issn:0950-0618 https://hdl.handle.net/11250/2986006 https://doi.org/10.1016/j.conbuildmat.2022.127090 cristin:2008696 |
op_rights |
CC BY 4.0 http://creativecommons.org/licenses/by/4.0/ © 2022 The Authors |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1016/j.conbuildmat.2022.127090 |
container_title |
Construction and Building Materials |
container_volume |
328 |
container_start_page |
127090 |
_version_ |
1766115439501377536 |