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Rem: Revista Escola de Minas
On-line version ISSN 1807-0353
SILVA, Daviély Rodrigues and OLIVEIRA FILHO, Waldyr Lopes de. Estudos experimentais do processo de ressecamento de um rejeito fino de mineração. Rem: Rev. Esc. Minas [online]. 2003, vol.56, n.4, pp. 261-265. ISSN 1807-0353. http://dx.doi.org/10.1590/S0370-44672003000400008.
Desiccation studies of fine mining tailings under natural climatic conditions and resting under a drainage bottom in a test site are presented in this paper. A test section, loaded with several instruments, was implemented in the area to monitor a desiccating layer of the fine tailings especially deposited in the area. A weather station and considerations of a hydrologic model for potential evaporation were very important to characterize the top boundary condition. In monitoring soil variables, an innovative technique was introduced to measure volumetric water content: the time domain reflectometry. Data generated in this research can be used to determine constitutive properties related to the desiccation phenomenon and also be used to calibrated a numerical model to describe soil behavior under desiccation.
Keywords : Tailings; desiccation; field investigation.