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GEOMECANICA: TRABAJO SLIDE.
PROFESOR: ALVARO CASTRO.
1. CON EL MÉTODO DE BISHOP SIMPLIFICADO, ANALIZAR LA ESTABILIDAD DE LA EXCAVACIÓN EN ROCAS
DESCRITA, USAR EL CRITERIO HOEK BROWN GENERALIZADO.

MATERIAL

GSI

1. Arenisca
2. Caliza
3. Limolita

70
35
40

PESO
UNITARIO
t/m3
2,7
2,6
2,6

UCS (MPa)

PERMEABILDIAD
K= m/s

50
25
20

1 x 10-7

PRESENTAR LA TABLASI GUIENTE CON LAS CARACTERÍSTICAS SELECCIONADAS:
MATERIAL
COHESION
ÁNGULO FRICCION
1. Arenisca
2. Caliza
3. Limolita

UNIVERSIDAD NACIONAL DE COLOMBIA, SEDE MEDELLÍN. FACULTAD DE MINAS.PROFESOR: ALVARO CASTRO.
2. GRAFICAR LA GEOMETRÍA DE FORMA QUE EL FACTOR DE SEGURIDAD MÍNIMO SEA MENOR DE 1.2
POSTERIORMENTE INSTALAR ANCLAJES DE FORMA A DEMOSTRAR QUE EL FS MÍNIMO EN LA SUPERFICIE DE
FALLA ES DE 1.4.
USAR ALGUNO DE LOS TIPO DE ANCLAJES PASIVOS DE LA TABLA A SEGUIR, CON BOND STRENGTH 200 kN/m.
COMPLETAR Y PRESENTAR ESTA TABLA:
TIPO
CAPACIDAD LONGITUD INCLINACION ESPACIADO ESPACIADO % DE
(t)
FUERA DEL
EN EL
INYECCIÓN
PLANO
PLANO
(OUT OF
PLANE)
Anclaje en
fondo
Inyectado
Inyectado
con
fricción
SI NECESARIO ASUMIR INFORMACIÓN ADICIONAL COHERENTE

UNIVERSIDAD NACIONAL DE COLOMBIA, SEDE MEDELLÍN. FACULTAD DE MINAS.PROFESOR: ALVARO CASTRO.

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Trabajo slide geomecanica 2013 (1)

  • 1. GEOMECANICA: TRABAJO SLIDE. PROFESOR: ALVARO CASTRO. 1. CON EL MÉTODO DE BISHOP SIMPLIFICADO, ANALIZAR LA ESTABILIDAD DE LA EXCAVACIÓN EN ROCAS DESCRITA, USAR EL CRITERIO HOEK BROWN GENERALIZADO. MATERIAL GSI 1. Arenisca 2. Caliza 3. Limolita 70 35 40 PESO UNITARIO t/m3 2,7 2,6 2,6 UCS (MPa) PERMEABILDIAD K= m/s 50 25 20 1 x 10-7 PRESENTAR LA TABLASI GUIENTE CON LAS CARACTERÍSTICAS SELECCIONADAS: MATERIAL COHESION ÁNGULO FRICCION 1. Arenisca 2. Caliza 3. Limolita UNIVERSIDAD NACIONAL DE COLOMBIA, SEDE MEDELLÍN. FACULTAD DE MINAS.PROFESOR: ALVARO CASTRO.
  • 2. 2. GRAFICAR LA GEOMETRÍA DE FORMA QUE EL FACTOR DE SEGURIDAD MÍNIMO SEA MENOR DE 1.2 POSTERIORMENTE INSTALAR ANCLAJES DE FORMA A DEMOSTRAR QUE EL FS MÍNIMO EN LA SUPERFICIE DE FALLA ES DE 1.4. USAR ALGUNO DE LOS TIPO DE ANCLAJES PASIVOS DE LA TABLA A SEGUIR, CON BOND STRENGTH 200 kN/m. COMPLETAR Y PRESENTAR ESTA TABLA: TIPO CAPACIDAD LONGITUD INCLINACION ESPACIADO ESPACIADO % DE (t) FUERA DEL EN EL INYECCIÓN PLANO PLANO (OUT OF PLANE) Anclaje en fondo Inyectado Inyectado con fricción SI NECESARIO ASUMIR INFORMACIÓN ADICIONAL COHERENTE UNIVERSIDAD NACIONAL DE COLOMBIA, SEDE MEDELLÍN. FACULTAD DE MINAS.PROFESOR: ALVARO CASTRO.