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Keywords: weak rock
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Proceedings Papers

Paper presented at the ISRM Regional Symposium - 7th Asian Rock Mechanics Symposium, October 15–19, 2012
Paper Number: ISRM-ARMS7-2012-126
... ABSTRACT There are so many technical aspects related to tunneling in weak rock because of encountering rock mechanics problem such as high strain rate, squeezing,…together with practical problems. Tunneling in this condition requires the considerable use of a combination of support systems...
Proceedings Papers

Paper presented at the ISRM International Symposium - 5th Asian Rock Mechanics Symposium, November 24–26, 2008
Paper Number: ISRM-ARMS5-2008-023
... Abstract The swelling behavior of weak rocks in open and underground excavations in addition to mineralogy, lithology, and physical characteristics is affected by different confining conditions due to surrounding rock mass presence and support system rigidity and is also affected by periodic...
Proceedings Papers

Paper presented at the ISRM International Symposium - 5th Asian Rock Mechanics Symposium, November 24–26, 2008
Paper Number: ISRM-ARMS5-2008-086
... ABSTRACT Beheshtabad Water Transmission Tunnel is going to be driven in the Iranian central plate with an approximate length of 65 kilometers. There are several zones of weak rocks in its rout. Some of these zones are situated at great depths so that the squeezing phenomenon may occur during...

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