Caracterización geomecánica de afloramientos rocosos en la Cantera “Santa Rosa”, Parroquia Urbana Satélite La Aurora, Cantón Daule, provincia del Guayas.
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2021-03
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Facultad de Ciencias Naturales. Universidad de Guayaquil
Resumen
El presente trabajo de investigación consistió en la caracterización geomecánica de los afloramientos rocosos presentes en la Cantera "Santa Rosa", ubicada en la Parroquia Urbana Satélite "La Aurora" del cantón Daule, provincia del Guayas, para caracterizar geomecánicamente estos afloramientos se aplicó el índice RMR propuesto por Bieniawski en 1989 en donde se obtuvo como resultado del levantamiento de 10 taludes que corresponde a 11 estaciones geomecánicas levantas todas son de calidad "Buena" con un valor promedio de 76, también se estimó la resistencia a la comprensión simple con el esclerómetro o martiilo de Schmidt a tres estaciones geomecánicas lo cual permitió establecer un valor de 100 - 250 megapascales, finalmente se realizó una descripción litológica macroscópicamente y microscópicamente en el laboratorio permitiendo clasificar a la roca teniendo en cuenta el Diagrama QAFP propuesto por Streckeisen lo cual arrojó como resultado que la roca que aflora en estas zonas de canteras es un basalto cloritizado. Adicionalmente se realizó un análisis cinemático con el sofware DIPS 7 determinó la ocurrencia que de las 11 estaciones geomecánicas 5 presentan rotura planar, 22 rotura tipo cuña, 2 rotura tipo vuelco y 2 estaciones sin evidencia de tipos de rotura.
The present research work consisted of the geomechanical characterization of the rocky outcrops present in the "Santa Rosa", Quarry, located in the Satelite Urban Parish "La Aurora" of the Daule Canton, Guayas province. The Index was applied to geomechanically characterize these outcrops. RMR proposed by Bieniawski in 1989 where it was obtained as a result of the survey of 10 slopes and 11 raised geomechanical stations, all of which are of "Good" quality with an average value of 76, the resistance to simple compression was also estimated with the sclerometer or Schmidt's hammer to three geomechanical stations which will establish a value of 100 - 25 megapascals, finaly a lithological description was made macroscopically and microscopically in the laboratory to allow the rock to be classified taking into account the QAFP Diagram proposed by Streckeisen which resulted inthe rock that outcrops in these quarry areas is a chlorite base hoisted. In addition, a kinematic analysis was carried out to determine the occurrence that of tue 11 geomechanical stations, 5 present planar rupture, 2 wedge type rupture, 2 overturn type rupture and 2 stations withot evidence of types of rupture.
The present research work consisted of the geomechanical characterization of the rocky outcrops present in the "Santa Rosa", Quarry, located in the Satelite Urban Parish "La Aurora" of the Daule Canton, Guayas province. The Index was applied to geomechanically characterize these outcrops. RMR proposed by Bieniawski in 1989 where it was obtained as a result of the survey of 10 slopes and 11 raised geomechanical stations, all of which are of "Good" quality with an average value of 76, the resistance to simple compression was also estimated with the sclerometer or Schmidt's hammer to three geomechanical stations which will establish a value of 100 - 25 megapascals, finaly a lithological description was made macroscopically and microscopically in the laboratory to allow the rock to be classified taking into account the QAFP Diagram proposed by Streckeisen which resulted inthe rock that outcrops in these quarry areas is a chlorite base hoisted. In addition, a kinematic analysis was carried out to determine the occurrence that of tue 11 geomechanical stations, 5 present planar rupture, 2 wedge type rupture, 2 overturn type rupture and 2 stations withot evidence of types of rupture.
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ROCK MASS RATING, ESTACIONES GEOMECÁNICAS, DIAGRAMA QAFP, ANÁLISIS CINEMÁTICO, BASALTO CLORITIZADO