The city of Ouro Preto is on a morphologically rugged terrain due to its lithological and structural complexity. The lack of planning during its occupation since the gold cycle in the eighteenth century resulted in a concentration of residences built in places of high geotechnical instability. Currently, catastrophic events with loss of assets and lives have been common, especially during rainy periods. In this work, in agreement with the Civil Defense, an area which is very populated and prone to high geotechnical risk was selected as a pilot area. In an effort to minimize these potential losses, this study aims to understand and delimit areas of greatest risk, so that the population is aware and the competent authorities may take the appropriate mitigative measures. The study consists in reviewing, processing and analyzing geological, geotechnical and geophysical data existing in the area, to characterize areas for further detail studies. The detailing consists of aerophotogrammetry, terrestrial magnetometry and electroresistivity to determine underground structures in the area, in addition to a more detailed geotechnical classification.
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SEG/AAPG International Meeting for Applied Geoscience & Energy
August 28–September 1, 2022
Houston, Texas, USA
Geophysics applied to geotechnical study in Ouro Preto, MG, Brazil
Gabriel do Nascimento Cardoso;
Gabriel do Nascimento Cardoso
Federal University of Ouro Preto (UFOP) and Society of Applied Geophysics (SGA)
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Maria Sílvia Carvalho Barbosa;
Maria Sílvia Carvalho Barbosa
Federal University of Ouro Preto (UFOP) and Society of Applied Geophysics (SGA)
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Luís Artur Souza Oliveira;
Luís Artur Souza Oliveira
Federal University of Ouro Preto (UFOP) and Society of Applied Geophysics (SGA)
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Joney Justo da Silva;
Joney Justo da Silva
Federal University of Ouro Preto (UFOP) and Society of Applied Geophysics (SGA)
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Pedro Lourenço dos Reis;
Pedro Lourenço dos Reis
Federal University of Ouro Preto (UFOP) and Society of Applied Geophysics (SGA)
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Henrique Rodrigues Alves de Souza;
Henrique Rodrigues Alves de Souza
Federal University of Ouro Preto (UFOP) and Society of Applied Geophysics (SGA)
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Aline Terezinha de Souza Rodrigues;
Aline Terezinha de Souza Rodrigues
Federal University of Ouro Preto (UFOP) and Society of Applied Geophysics (SGA)
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Silvia Amélia de Jesus;
Silvia Amélia de Jesus
Federal University of Ouro Preto (UFOP) and Society of Applied Geophysics (SGA)
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Fernando Antônio de Oliveira;
Fernando Antônio de Oliveira
Federal University of Ouro Preto (UFOP) and Society of Applied Geophysics (SGA)
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Julia Ferreira Schiavon
Julia Ferreira Schiavon
Federal University of Ouro Preto (UFOP) and Society of Applied Geophysics (SGA)
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Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, Houston, Texas, USA, August 2022.
Paper Number:
SEG-2022-3751398
Published:
November 01 2022
Citation
Nascimento Cardoso, Gabriel do, Carvalho Barbosa, Maria Sílvia, Souza Oliveira, Luís Artur, Justo da Silva, Joney, dos Reis, Pedro Lourenço, Alves de Souza, Henrique Rodrigues, de Souza Rodrigues, Aline Terezinha, Amélia de Jesus, Silvia, Antônio de Oliveira, Fernando, and Julia Ferreira Schiavon. "Geophysics applied to geotechnical study in Ouro Preto, MG, Brazil." Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, Houston, Texas, USA, August 2022. doi: https://doi.org/10.1190/image2022-3751398.1
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