Evaluation of Bauxite Tailings Performance as a Material for Mining Dam Closure: A Case Study

André Faria1*, Fernando Gonçalves2 and Matheus Dutra3 Pimenta de Ávila Consultoria, Brazil ABSTRACT The closure is an important step applicable to the mining and/or industrial activities in a given location, in order to adequate the physical, chemical and biological conditions of the impacted area by the tailings disposal, providing a sustainable use and integrating the…

Calibration of Modified Cam-Clay Parameters for Red Mud Tailings – A Case Study

Jessé Joabe Vieira Carneiro, Pimenta de Ávila, Brazil André de Oliveira Faria, Pimenta de Ávila, Brazil Mauro Pio dos Santos Júnior, Pimenta de Ávila, Brazil Abstract Critical state soil mechanics proposes an integrated approach to soil behaviour, introducing the concept of critical state associated with the theory of hardening and softening plasticization. The critical state…

Calculation of Undrained Shear Strength of a Bauxite Tailings using Field and Laboratory Tests

Calculation of Undrained Shear Strength of a Bauxite Tailings using Field and Laboratory Tests

Guilherme Henrique da Silva Pinto Geotechnical Engineer, Pimenta de Ávila Consultoria, Nova Lima, Brazil, André de Oliveira Faria Geotechnical Engineer, Pimenta de Ávila Consultoria, Nova Lima, Brazil, Mauro Pio dos Santos Junior Geotechnical Coordinator, Pimenta de Ávila Consultoria, Nova Lima, Brazil. Abstract Determining the undrained shear strength of contractive materials is of fundamental importance to…

Undrained Shear Strength Characterization of a Bauxite Tailings

Undrained Shear Strength Characterization of a Bauxite Tailings

Guilherme Henrique da Silva Pinto1*, Mauro Pio dos Santos Junior2 1. Pimenta de Ávila Consultoria, Minas Gerais – Brazil, Geotechnical Engineer, guilherme.henrique@pimentadeavila.com.br, +55 31 99680-2136 2. Pimenta de Ávila Consultoria, Minas Gerais – Brazil, Geotechnical Coordinator, mauro.junior@pimentadeavila.com.br, +55 31 99982-5789 ABSTRACT A correct determination of the tailings’ shear strength is highly important in geotechnical engineering…

Determinação do Histórico de Tensões de Um Solo Tropical por Meio de Ensaios de Campo e Laboratório

Determinação do Histórico de Tensões de Um Solo Tropical por Meio de Ensaios de Campo e Laboratório

Guilherme Henrique da Silva PINTO | Engenheiro Geotécnico – Pimenta de Ávila Mauro Pio dos Santos JÚNIOR | Coordenador de Geotecnia – Pimenta de Ávila RESUMO Com o aumento da complexidade das obras geotécnicas, torna-se necessário a caracterização abrangente dos solos para determinar, dentre outros aspectos, a sua resistência e rigidez, sendo que tais propriedades…