The stability of portals in rock
Portals are frequently an exceedingly difficult area in terms of ground control due to the near-surface, weathered, and highly discontinuous rock mass conditions. Surface and subsurface failures involving portals were analyzed using over 500 case histories which were organized into a database. Criti...
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| Format: | Others |
| Language: | en_US |
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Virginia Polytechnic Institute and State University
2015
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| Online Access: | http://hdl.handle.net/10919/54405 |