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Characterization of the unconfined compressive strength test in rocks by fine granulometry
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This work presents a proposal for the characterization of the UnconfinedCompressive Strength test (UCS), through a series of operations that can be carried outwithout inconvenience in the field. Initially, fresh rock samples are obtained from outcropsin the area and specimens of specific dimensions are made. After the test specimenelaboration phase, crushing and granulometric classification tests are carried out witha set of specimens and in parallel with a second group, UCS tests are carried out. With theresults, the rock is characterized by graphing granulometric curves and in this graph theareas of fine granulometry are focused, inserting in these areas, the average value of UCS,with which it can be identified and determined when it is really necessary and It is inevitableto send rock samples to laboratories, thus saving time and money for the mining project.
Keywords: compression, crushing, granulometry, rock.
References
[1] F. Blyth and M. de Freitas. Geología para Ingenieros. México: CEGSA, 2003.
[2] F. Escolano and A. Mazariegos de la Serna. Guía de reconocimiento de rocas en Ingeniería Civil. España: Editorial Garceta, Escuela Técnica Superior de Ingeniería Civil, Universidad Politécnica de Madrid, 2014.
[3] G. Stefano and J. Segovia. Notas del curso de Arte Minero I. Ecuador: Universidad del Azuay, 1991.
[4] A. Maistri. Guía al Curso de Tratamiento de Minerales y a las Prácticas de Laboratorio. Ecuador: Universidad del Azuay, 1993.
[5] O. Bustamante. Conminución de Minerales Trituración y Molienda. Colombia: Instituto de Minerales CIMEX, Universidad Nacional de Colombia-Sede Medellín, 2006.
[6] E. Feijoo, C. Flores and B. Feijoo, "The Concept of the Granulometric Area and Its Relation with the Resistance to theSimple Compression of Rocks," 2019 7th International Engineering, Sciences and Technology Conference (IESTEC), Panama,Panama, 2019, pp. 52-56.
[7] E. Feijoo and C. Iñiguez, “Corte en rocas y su relación con la resistencia a compresión simple”, RISTI, N.o E 30, pp. 59-67,junio 2020.
[8] M. Galván. Mecánica de Rocas. Correlación entre la Resistencia a Carga Puntual y la Resistencia a Compresión Simple. Colombia: Universidad del Valle, 2015.
[9] W. Marín. Evaluación de parámetros materiales de fractura en roca intacta. Colombia: Universidad Nacional de Colombiasede Medellín, 2017.
[10]E. Feijoo and J. Padrón, “La resistividad de rocas y su relación con la resistencia a compresión simple en mina”, UCT, vol. 24, Núm. 99, pp. 61-67, abril 2020.
Title: Characterization of the unconfined compressive strength test in rocks by fine granulometry
Description:
This work presents a proposal for the characterization of the UnconfinedCompressive Strength test (UCS), through a series of operations that can be carried outwithout inconvenience in the field.
Initially, fresh rock samples are obtained from outcropsin the area and specimens of specific dimensions are made.
After the test specimenelaboration phase, crushing and granulometric classification tests are carried out witha set of specimens and in parallel with a second group, UCS tests are carried out.
With theresults, the rock is characterized by graphing granulometric curves and in this graph theareas of fine granulometry are focused, inserting in these areas, the average value of UCS,with which it can be identified and determined when it is really necessary and It is inevitableto send rock samples to laboratories, thus saving time and money for the mining project.
Keywords: compression, crushing, granulometry, rock.
References
[1] F.
Blyth and M.
de Freitas.
Geología para Ingenieros.
México: CEGSA, 2003.
[2] F.
Escolano and A.
Mazariegos de la Serna.
Guía de reconocimiento de rocas en Ingeniería Civil.
España: Editorial Garceta, Escuela Técnica Superior de Ingeniería Civil, Universidad Politécnica de Madrid, 2014.
[3] G.
Stefano and J.
Segovia.
Notas del curso de Arte Minero I.
Ecuador: Universidad del Azuay, 1991.
[4] A.
Maistri.
Guía al Curso de Tratamiento de Minerales y a las Prácticas de Laboratorio.
Ecuador: Universidad del Azuay, 1993.
[5] O.
Bustamante.
Conminución de Minerales Trituración y Molienda.
Colombia: Instituto de Minerales CIMEX, Universidad Nacional de Colombia-Sede Medellín, 2006.
[6] E.
Feijoo, C.
Flores and B.
Feijoo, "The Concept of the Granulometric Area and Its Relation with the Resistance to theSimple Compression of Rocks," 2019 7th International Engineering, Sciences and Technology Conference (IESTEC), Panama,Panama, 2019, pp.
52-56.
[7] E.
Feijoo and C.
Iñiguez, “Corte en rocas y su relación con la resistencia a compresión simple”, RISTI, N.
o E 30, pp.
59-67,junio 2020.
[8] M.
Galván.
Mecánica de Rocas.
Correlación entre la Resistencia a Carga Puntual y la Resistencia a Compresión Simple.
Colombia: Universidad del Valle, 2015.
[9] W.
Marín.
Evaluación de parámetros materiales de fractura en roca intacta.
Colombia: Universidad Nacional de Colombiasede Medellín, 2017.
[10]E.
Feijoo and J.
Padrón, “La resistividad de rocas y su relación con la resistencia a compresión simple en mina”, UCT, vol.
24, Núm.
99, pp.
61-67, abril 2020.
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