Ejercicios de clasificación de macizos rocosos

RMR y GSI

Versión 2.0 – 05-11-2019

By Lorenzo Borselliwww.lorenzo-borselli.eu

http://civilblog.org/2016/02/08/how-to-describe-rock-mass-characteristics-on-site/

Example of RMR classification ( data from table)

• UCS=40 Mpa• RQD=65%• Espaciado discontinuidad = 0.2 m

• Long discontinuidad : 2 m• Abertura: 2mm• Rugosidad: mediamente rugosa• Relleno: sin relleno• Alteracion: moderadamente

alterada

• Agua: completamente seco

RMR= ??

https://www.researchgate.net/profile/Quan_Jiang3/publication/303392918/figure/fig11/AS:668525127540738@1536400219070/Rock-mass-with-discontinuities.png

0.5 m

GSI=?

https://www.researchgate.net/profile/Quan_Jiang3/publication/303392918/figure/fig11/AS:668525127540738@1536400219070/Rock-mass-with-discontinuities.png

0.5 m

http://blogs.agu.org/mountainbeltway/2012/05/18/friday-fold-bedford-canyon-fm-california/

• UCS=10 Mpa• RQD=45%• Espaciado

discontinuidad = 0.05 m

• Long discontinuidad : <1m

• Abertura: >5mm• Rugosidad: lisa• Relleno: blando >5mm• Alteracion: mediamente

alterada

• Agua: completamente seco

RMR= ??

10 cm

http://blogs.agu.org/mountainbeltway/2012/05/18/friday-fold-bedford-canyon-fm-california/

GSI=??

10 cm

http://www.rci.rutgers.edu/~schlisch/structureslides/rubblizedbasalt.html

Breccia de falla RMR = Seguramente en este caso muy difícil da evaluar..Porque??

GSI=?

http://file.scirp.org/Html/3-1110016_8176.htm

GSI=??

GSI=??

GSI=??

Wheathered Basalt rock mass

http://www.qub.ac.uk/geomaterials/weathering/causeway/geologicalsuccession.html

GSI=

GSI=??

metamorphic rock mass

https://uwaterloo.ca/wat-on-earth/news/metamorphic-rocks

GSI=

GSI=??

Massive limestone rock mass

http://www.texturemate.com/content/free-texture-rock-2010100106?page=1

http://blogs.agu.org/mountainbeltway/2012/05/18/friday-

fold-bedford-canyon-fm-california/

GSI =?

Tectonized sedimentary rock mass