2018
DOI: 10.1590/s1517-707620180003.0515
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Caracterização mineralógica de um solo do Acre visando à produção de agregados artificiais de Argila Calcinada para uso em pavimentos

Abstract: RESUMO Esse artigo apresenta os resultados experimentais da avaliação das características mineralógicas de um tipo de solo característico do estado do Acre – localmente conhecido como tabatinga – na confecção de agregados artificiais de argila calcinada visando seu emprego em camadas de bases de pavimentos rodoviários. A correta identificação dos argilominerais através da técnica de Difração de Raios X se mostra mais confiável e eficaz quando precedida de tratamentos preliminares da amostra envolvendo sediment… Show more

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Cited by 3 publications
(3 citation statements)
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“…Like in the state of Acre, the soil in the Amazon region is known locally as Tabatinga, and its many unique mechanical and mineralogy characteristics can be observed throughout the entire highway. In their report, Barbosa et al (2018) conclude that structural pavement failures in this type of soil are primarily due to the neglect of the soil's unique mineralogy, physical, and chemical characteristics.…”
Section: Soil Characterizationmentioning
confidence: 99%
“…Like in the state of Acre, the soil in the Amazon region is known locally as Tabatinga, and its many unique mechanical and mineralogy characteristics can be observed throughout the entire highway. In their report, Barbosa et al (2018) conclude that structural pavement failures in this type of soil are primarily due to the neglect of the soil's unique mineralogy, physical, and chemical characteristics.…”
Section: Soil Characterizationmentioning
confidence: 99%
“…In the northern region of Brazil, the civil construction sector faces significant challenges, especially concerning the transport of crushed material, such as coarse aggregates for concrete or paving, including in base layers of road pavements. This situation was explored by Barbosa in the state of Acre [2]. The exploration of clay deposits for the production of aggregates emerges as a viable and economically advantageous alternative, especially in remote areas, where transporting traditional materials is expensive.…”
Section: Introductionmentioning
confidence: 99%
“…No estado do Acre há um grande histórico de obras de infraestrutura afetadas pela elevada expansibilidade do subleito (Fig. 1), a exemplo do principal eixo rodoviário estadual, rodovia BR-364 [7] e do Aeroporto da Capital Rio Branco [8,9]. De acordo com levantamento do Serviço Geológico do Brasil -CPRM, grande parte dos solos de Rio Branco é formada por argilitos da Formação Solimões, os quais são recobertos por espessas camadas de argilas expansivas de origem sedimentar cujo argilomineral predominante é a montmorilonita, o que resulta em problemas geológico-geotécnicos como movimentação de massa e danos em construções [10].…”
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