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Keywords: intersection condition
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Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-503
... roof at location A (Intersection conditions) At location A, the metro tunnel intersects the metro station so tunnel intersection conditions are experience and there is more instability since 3Jn is used to calculate Q instead of Jn. Q for location A = (Original Q / 3) = 9/3 = 3 RMR = 9In3 + 44 = 53.88...

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