Collapsible Behavior of Lateritic Soil Due to Compacting Conditions
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1007/s40999-020-00523-6 http://hdl.handle.net/11449/198881 |
Resumo: | Soil collapse is a major geotechnical problem that causes architectural and structural damage to buildings and engineering infrastructure. Losses due to soil collapsibility have an economical aspect and the study of these soils is very important due to the large occurrence of collapsible soils around the world. In this research, conventional oedometer tests and suction-controlled oedometer tests were conducted to study the benefit of compaction as a method of improving the behavior of a lateritic soil that is particularly susceptible to collapse after soaking. The results offer practical information to minimize problems arising from collapsible soils. The soil water content before the sample is inundated affected the soil collapsible behavior. Soil specimens less dense when compacted at the dry side of the compaction curve exhibited volume variation under loading less than 4% and collapse deformations up to about 11% when exposed to flooding, while soil specimens compacted at optimum moisture content showed volume variation under loading around 10% and a maximum collapse deformation by about 6%. The collapse deformations changed significantly with inundation stress for the soil compacted especially for stresses above 100 kPa. The collapse deformations were almost insignificant when the lateritic soil had a relative compaction of 90% with values almost always less than or equal to 2%, proving that the compaction process is a soil improvement technique that can significantly reduce the collapse induced by inundation. |
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Repositório Institucional da UNESP |
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Collapsible Behavior of Lateritic Soil Due to Compacting ConditionsCompacted soilSoil collapseSuctionUnsaturated soilSoil collapse is a major geotechnical problem that causes architectural and structural damage to buildings and engineering infrastructure. Losses due to soil collapsibility have an economical aspect and the study of these soils is very important due to the large occurrence of collapsible soils around the world. In this research, conventional oedometer tests and suction-controlled oedometer tests were conducted to study the benefit of compaction as a method of improving the behavior of a lateritic soil that is particularly susceptible to collapse after soaking. The results offer practical information to minimize problems arising from collapsible soils. The soil water content before the sample is inundated affected the soil collapsible behavior. Soil specimens less dense when compacted at the dry side of the compaction curve exhibited volume variation under loading less than 4% and collapse deformations up to about 11% when exposed to flooding, while soil specimens compacted at optimum moisture content showed volume variation under loading around 10% and a maximum collapse deformation by about 6%. The collapse deformations changed significantly with inundation stress for the soil compacted especially for stresses above 100 kPa. The collapse deformations were almost insignificant when the lateritic soil had a relative compaction of 90% with values almost always less than or equal to 2%, proving that the compaction process is a soil improvement technique that can significantly reduce the collapse induced by inundation.Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)School of Engineering São Paulo State University (UNESP), 14-01 Eng. Luiz Edmundo Carrijo Coube AvenueSchool of Engineering São Paulo State University (UNESP), 14-01 Eng. Luiz Edmundo Carrijo Coube AvenueUniversidade Estadual Paulista (Unesp)Silveira, Isabela Augusto [UNESP]Rodrigues, Roger Augusto [UNESP]2020-12-12T01:24:29Z2020-12-12T01:24:29Z2020-10-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article1157-1166http://dx.doi.org/10.1007/s40999-020-00523-6International Journal of Civil Engineering, v. 18, n. 10, p. 1157-1166, 2020.2383-38741735-0522http://hdl.handle.net/11449/19888110.1007/s40999-020-00523-62-s2.0-8508534809286563030550404960000-0001-7534-9619Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengInternational Journal of Civil Engineeringinfo:eu-repo/semantics/openAccess2021-10-23T09:55:35Zoai:repositorio.unesp.br:11449/198881Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462021-10-23T09:55:35Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Collapsible Behavior of Lateritic Soil Due to Compacting Conditions |
title |
Collapsible Behavior of Lateritic Soil Due to Compacting Conditions |
spellingShingle |
Collapsible Behavior of Lateritic Soil Due to Compacting Conditions Silveira, Isabela Augusto [UNESP] Compacted soil Soil collapse Suction Unsaturated soil |
title_short |
Collapsible Behavior of Lateritic Soil Due to Compacting Conditions |
title_full |
Collapsible Behavior of Lateritic Soil Due to Compacting Conditions |
title_fullStr |
Collapsible Behavior of Lateritic Soil Due to Compacting Conditions |
title_full_unstemmed |
Collapsible Behavior of Lateritic Soil Due to Compacting Conditions |
title_sort |
Collapsible Behavior of Lateritic Soil Due to Compacting Conditions |
author |
Silveira, Isabela Augusto [UNESP] |
author_facet |
Silveira, Isabela Augusto [UNESP] Rodrigues, Roger Augusto [UNESP] |
author_role |
author |
author2 |
Rodrigues, Roger Augusto [UNESP] |
author2_role |
author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
Silveira, Isabela Augusto [UNESP] Rodrigues, Roger Augusto [UNESP] |
dc.subject.por.fl_str_mv |
Compacted soil Soil collapse Suction Unsaturated soil |
topic |
Compacted soil Soil collapse Suction Unsaturated soil |
description |
Soil collapse is a major geotechnical problem that causes architectural and structural damage to buildings and engineering infrastructure. Losses due to soil collapsibility have an economical aspect and the study of these soils is very important due to the large occurrence of collapsible soils around the world. In this research, conventional oedometer tests and suction-controlled oedometer tests were conducted to study the benefit of compaction as a method of improving the behavior of a lateritic soil that is particularly susceptible to collapse after soaking. The results offer practical information to minimize problems arising from collapsible soils. The soil water content before the sample is inundated affected the soil collapsible behavior. Soil specimens less dense when compacted at the dry side of the compaction curve exhibited volume variation under loading less than 4% and collapse deformations up to about 11% when exposed to flooding, while soil specimens compacted at optimum moisture content showed volume variation under loading around 10% and a maximum collapse deformation by about 6%. The collapse deformations changed significantly with inundation stress for the soil compacted especially for stresses above 100 kPa. The collapse deformations were almost insignificant when the lateritic soil had a relative compaction of 90% with values almost always less than or equal to 2%, proving that the compaction process is a soil improvement technique that can significantly reduce the collapse induced by inundation. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-12-12T01:24:29Z 2020-12-12T01:24:29Z 2020-10-01 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1007/s40999-020-00523-6 International Journal of Civil Engineering, v. 18, n. 10, p. 1157-1166, 2020. 2383-3874 1735-0522 http://hdl.handle.net/11449/198881 10.1007/s40999-020-00523-6 2-s2.0-85085348092 8656303055040496 0000-0001-7534-9619 |
url |
http://dx.doi.org/10.1007/s40999-020-00523-6 http://hdl.handle.net/11449/198881 |
identifier_str_mv |
International Journal of Civil Engineering, v. 18, n. 10, p. 1157-1166, 2020. 2383-3874 1735-0522 10.1007/s40999-020-00523-6 2-s2.0-85085348092 8656303055040496 0000-0001-7534-9619 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
International Journal of Civil Engineering |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
1157-1166 |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1799965536577126400 |