Permeation grouting of silt-sand mixtures

In permeation grouting, a fluid carrying a binder enters the soil voids under low pressure. The binder sets and cures in the ground, thereby creating a treated soil with larger strength and stiffness and reduced permeability. Permeation grouting is one of the oldest technologies in ground improvemen...

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Autores: Fraccica, Alessandro, Spagnoli, Giovanni, Romero Morales, Enrique Edgar|||0000-0002-4105-8941, Arroyo Álvarez de Toledo, Marcos|||0000-0001-9384-9107, Gómez Bonilla, Rodrigo Andrés
Tipo de documento: artigo
Data de publicação:2022
País:España
Recursos:Universitat Politècnica de Catalunya (UPC)
Repositório:UPCommons. Portal del coneixement obert de la UPC
Idioma:inglês
OAI Identifier:oai:upcommons.upc.edu:2117/384341
Acesso em linha:https://hdl.handle.net/2117/384341
https://dx.doi.org/10.1016/j.trgeo.2022.100800
Access Level:Acceso aberto
Palavra-chave:Soil mechanics
Sand-silt mixture
X-ray tomography
Unconfined compression
Groutability
Creep behaviour
Mecànica dels sòls
Àrees temàtiques de la UPC::Enginyeria civil::Geotècnia::Mecànica de sòls
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spelling Permeation grouting of silt-sand mixturesFraccica, AlessandroSpagnoli, GiovanniRomero Morales, Enrique Edgar|||0000-0002-4105-8941Arroyo Álvarez de Toledo, Marcos|||0000-0001-9384-9107Gómez Bonilla, Rodrigo AndrésSoil mechanicsSand-silt mixtureX-ray tomographyUnconfined compressionGroutabilityCreep behaviourMecànica dels sòlsÀrees temàtiques de la UPC::Enginyeria civil::Geotècnia::Mecànica de sòlsIn permeation grouting, a fluid carrying a binder enters the soil voids under low pressure. The binder sets and cures in the ground, thereby creating a treated soil with larger strength and stiffness and reduced permeability. Permeation grouting is one of the oldest technologies in ground improvement, but also one with a fast pace of technological improvement due to the apparition of new binders. Permeation grouting is frequently associated with cohesionless soils (e.g. gravel and sand), but the boundary of applicability of the technique has gradually shifted towards finer materials. Applicability criteria for permeation grouting are frequently set in terms of the host soil water permeability value, , but published empirical basis for available criteria is relatively scarce. In this study, we mixed sand and silt to create soils covering three orders of magnitude of and permeated them, in a controlled environment, using five binders of current use: two cement-based, two colloidal silica and an acrylic resin. X-ray tomography, unconfined compressive strength and creep tests are employed to evaluate grout penetration and grouted soil performance. This study is of valuable interest for designers and contractors dealing with grouting technologies.Peer ReviewedElsevier20222022-07-0120232023-02-28journal articlehttp://purl.org/coar/resource_type/c_6501AMhttp://purl.org/coar/version/c_ab4af688f83e57aainfo:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/2117/384341https://dx.doi.org/10.1016/j.trgeo.2022.100800reponame:UPCommons. Portal del coneixement obert de la UPCinstname:Universitat Politècnica de Catalunya (UPC)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2Attribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessoai:upcommons.upc.edu:2117/3843412026-05-27T15:37:01Z
dc.title.none.fl_str_mv Permeation grouting of silt-sand mixtures
title Permeation grouting of silt-sand mixtures
spellingShingle Permeation grouting of silt-sand mixtures
Fraccica, Alessandro
Soil mechanics
Sand-silt mixture
X-ray tomography
Unconfined compression
Groutability
Creep behaviour
Mecànica dels sòls
Àrees temàtiques de la UPC::Enginyeria civil::Geotècnia::Mecànica de sòls
title_short Permeation grouting of silt-sand mixtures
title_full Permeation grouting of silt-sand mixtures
title_fullStr Permeation grouting of silt-sand mixtures
title_full_unstemmed Permeation grouting of silt-sand mixtures
title_sort Permeation grouting of silt-sand mixtures
dc.creator.none.fl_str_mv Fraccica, Alessandro
Spagnoli, Giovanni
Romero Morales, Enrique Edgar|||0000-0002-4105-8941
Arroyo Álvarez de Toledo, Marcos|||0000-0001-9384-9107
Gómez Bonilla, Rodrigo Andrés
author Fraccica, Alessandro
author_facet Fraccica, Alessandro
Spagnoli, Giovanni
Romero Morales, Enrique Edgar|||0000-0002-4105-8941
Arroyo Álvarez de Toledo, Marcos|||0000-0001-9384-9107
Gómez Bonilla, Rodrigo Andrés
author_role author
author2 Spagnoli, Giovanni
Romero Morales, Enrique Edgar|||0000-0002-4105-8941
Arroyo Álvarez de Toledo, Marcos|||0000-0001-9384-9107
Gómez Bonilla, Rodrigo Andrés
author2_role author
author
author
author
dc.subject.none.fl_str_mv Soil mechanics
Sand-silt mixture
X-ray tomography
Unconfined compression
Groutability
Creep behaviour
Mecànica dels sòls
Àrees temàtiques de la UPC::Enginyeria civil::Geotècnia::Mecànica de sòls
topic Soil mechanics
Sand-silt mixture
X-ray tomography
Unconfined compression
Groutability
Creep behaviour
Mecànica dels sòls
Àrees temàtiques de la UPC::Enginyeria civil::Geotècnia::Mecànica de sòls
description In permeation grouting, a fluid carrying a binder enters the soil voids under low pressure. The binder sets and cures in the ground, thereby creating a treated soil with larger strength and stiffness and reduced permeability. Permeation grouting is one of the oldest technologies in ground improvement, but also one with a fast pace of technological improvement due to the apparition of new binders. Permeation grouting is frequently associated with cohesionless soils (e.g. gravel and sand), but the boundary of applicability of the technique has gradually shifted towards finer materials. Applicability criteria for permeation grouting are frequently set in terms of the host soil water permeability value, , but published empirical basis for available criteria is relatively scarce. In this study, we mixed sand and silt to create soils covering three orders of magnitude of and permeated them, in a controlled environment, using five binders of current use: two cement-based, two colloidal silica and an acrylic resin. X-ray tomography, unconfined compressive strength and creep tests are employed to evaluate grout penetration and grouted soil performance. This study is of valuable interest for designers and contractors dealing with grouting technologies.
publishDate 2022
dc.date.none.fl_str_mv 2022
2022-07-01
2023
2023-02-28
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
AM
http://purl.org/coar/version/c_ab4af688f83e57aa
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/2117/384341
https://dx.doi.org/10.1016/j.trgeo.2022.100800
url https://hdl.handle.net/2117/384341
https://dx.doi.org/10.1016/j.trgeo.2022.100800
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution-NonCommercial-NoDerivatives 4.0 International
http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution-NonCommercial-NoDerivatives 4.0 International
http://creativecommons.org/licenses/by-nc-nd/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:UPCommons. Portal del coneixement obert de la UPC
instname:Universitat Politècnica de Catalunya (UPC)
instname_str Universitat Politècnica de Catalunya (UPC)
reponame_str UPCommons. Portal del coneixement obert de la UPC
collection UPCommons. Portal del coneixement obert de la UPC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15.301629

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