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Registro Completo |
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Biblioteca(s): |
Embrapa Semiárido. |
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Data corrente: |
01/02/2024 |
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Data da última atualização: |
01/02/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
BARBOSA, G. M. N.; MARQUES, E. A. G.; KER, J. C.; ASSIS, I. R. de; CUNHA, T. J. F.; SOUZA, L. da S. |
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Afiliação: |
GUSTAVO MAGALHÃES NUNES BARBOSA, Universidade Federal de Viçosa; EDUARDO ANTONIO GOMES MARQUES, Universidade Federal de Viçosa; JOÃO CARLOS KER, Universidade Federal de Viçosa; IGOR RODRIGUES DE ASSIS, Universidade Federal de Viçosa; TONY JARBAS FERREIRA CUNHA, CPATSA; LUCIANO DA SILVA SOUZA, Universidade Federal do Recôncavo da Bahia, Cruz das Almas, Bahia. |
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Título: |
Geotechnical properties of some kaolinite-rich Brazilian Vertisols. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Revista Brasileira de Ciência do Solo, v. 45, e0210022, 2021. |
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DOI: |
https://doi.org/10.36783/18069657rbcs20210022 |
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Idioma: |
Inglês |
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Conteúdo: |
Vertisols presenting kaolinite codominance or prevalence were already reported in several countries worldwide. However, the literature has few studies focused on investigating the influence of this clay mineral in soil geotechnical behavior. This study aimed to carry out the characterization of Vertisols in Bahia State, Brazil, to understand the influence of physical, chemical, and mineralogical properties on their geotechnical behavior, as these soils have high natural fertility and have been used for agricultural activity, but with great risk due to their physical and geotechnical properties. Six Vertisols were selected, three located in Juazeiro County (Semiarid region) and the other three in Recôncavo region. Geotechnical characterization of selected soils was carried out in their respective diagnostic horizons by determining properties such as granulometric curve, Atterberg limits, clay activity, linear expansion coefficient, compaction capacity, cohesion (c), and internal friction angle (ϕ) of saturated soils. Soil expansion potential was associated with expansive clay contents and clay content in each soil sample. The best soil compaction efficiency was observed for kaolinitic Vertisol, which presented greater void ratio reduction and higher density due to moisture increase. In addition, c increased as kaolinite content also increased and decreased as clay content increased in soils presenting similar mineralogy. On the other hand, ϕ was influenced mainly by granulometry since higher sand and gravel levels enabled higher ϕ, regardless of clay type. MenosVertisols presenting kaolinite codominance or prevalence were already reported in several countries worldwide. However, the literature has few studies focused on investigating the influence of this clay mineral in soil geotechnical behavior. This study aimed to carry out the characterization of Vertisols in Bahia State, Brazil, to understand the influence of physical, chemical, and mineralogical properties on their geotechnical behavior, as these soils have high natural fertility and have been used for agricultural activity, but with great risk due to their physical and geotechnical properties. Six Vertisols were selected, three located in Juazeiro County (Semiarid region) and the other three in Recôncavo region. Geotechnical characterization of selected soils was carried out in their respective diagnostic horizons by determining properties such as granulometric curve, Atterberg limits, clay activity, linear expansion coefficient, compaction capacity, cohesion (c), and internal friction angle (ϕ) of saturated soils. Soil expansion potential was associated with expansive clay contents and clay content in each soil sample. The best soil compaction efficiency was observed for kaolinitic Vertisol, which presented greater void ratio reduction and higher density due to moisture increase. In addition, c increased as kaolinite content also increased and decreased as clay content increased in soils presenting similar mineralogy. On the other hand, ϕ was influenced mainly by granulome... Mostrar Tudo |
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Palavras-Chave: |
Caulinita; Propriedades geotécnicas; Vertissolos brasileiros. |
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Thesagro: |
Solo. |
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Thesaurus Nal: |
Kaolinite. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1161544/1/Geotechnical-properties-of-some-2021.pdf
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Marc: |
LEADER 02344naa a2200253 a 4500
001 2161544
005 2024-02-01
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.36783/18069657rbcs20210022$2DOI
100 1 $aBARBOSA, G. M. N.
245 $aGeotechnical properties of some kaolinite-rich Brazilian Vertisols.$h[electronic resource]
260 $c2021
520 $aVertisols presenting kaolinite codominance or prevalence were already reported in several countries worldwide. However, the literature has few studies focused on investigating the influence of this clay mineral in soil geotechnical behavior. This study aimed to carry out the characterization of Vertisols in Bahia State, Brazil, to understand the influence of physical, chemical, and mineralogical properties on their geotechnical behavior, as these soils have high natural fertility and have been used for agricultural activity, but with great risk due to their physical and geotechnical properties. Six Vertisols were selected, three located in Juazeiro County (Semiarid region) and the other three in Recôncavo region. Geotechnical characterization of selected soils was carried out in their respective diagnostic horizons by determining properties such as granulometric curve, Atterberg limits, clay activity, linear expansion coefficient, compaction capacity, cohesion (c), and internal friction angle (ϕ) of saturated soils. Soil expansion potential was associated with expansive clay contents and clay content in each soil sample. The best soil compaction efficiency was observed for kaolinitic Vertisol, which presented greater void ratio reduction and higher density due to moisture increase. In addition, c increased as kaolinite content also increased and decreased as clay content increased in soils presenting similar mineralogy. On the other hand, ϕ was influenced mainly by granulometry since higher sand and gravel levels enabled higher ϕ, regardless of clay type.
650 $aKaolinite
650 $aSolo
653 $aCaulinita
653 $aPropriedades geotécnicas
653 $aVertissolos brasileiros
700 1 $aMARQUES, E. A. G.
700 1 $aKER, J. C.
700 1 $aASSIS, I. R. de
700 1 $aCUNHA, T. J. F.
700 1 $aSOUZA, L. da S.
773 $tRevista Brasileira de Ciência do Solo$gv. 45, e0210022, 2021.
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Registro original: |
Embrapa Semiárido (CPATSA) |
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| Registros recuperados : 2 | |
| 1. |  | OLIVEIRA, K. C. B. F.; FARIAS, E. A. de O.; TEIXEIRA, P. R. S.; BRANDÃO, V. S.; SÁBIO, R. M.; ARAÚJO, A. R. de; EATON, P.; BERTOLINO, L. C.; BEMQUERER, M. P.; BARUD, H. da S.; LEITE, J. R. de S. de A.; EIRAS, C. Development of a nanostructured film containing palygorskite and dermaseptin 01 peptide for biotechnological applications. Clays and Clay Minerals, v. 71, p. 600-615, 2023.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 3 |
| Biblioteca(s): Embrapa Gado de Leite. |
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| 2. | | SOUSA, N. A.; OLIVEIRA, G. A. L.; OLIVEIRA, A. P. de; LOPES, A. L. F.; ILES, B.; NOGUEIRA, K. M.; ARAÚJO, T. S. L.; SOUZA, L. K. M.; ARAÚJO, A. R.; RAMOS-JESUS, J.; PLÁCIDO, A.; AMARAL, C.; CAMPELO, Y. D. M.; BARBOSA, E. A.; PORTUGAL, C. C.; SOCODATO, R.; LOBO, A.; RELVAS, J.; BEMQUERER, M.; EATON, P.; LEITE, J. R. S. A; MEDEIROS, J. V. R. Novel ocellatin peptides mitigate LPS-induced ROS formation and NF-kB activation in microglia and hippocampal neurons. Scientific Reports, v. 10, n. 1, article 2696, 2020.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| Registros recuperados : 2 | |
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