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Keywords: roof convergence
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Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2002, November 25–27, 2002
Paper Number: ISRM-EUROCK-2002-042
... basalt, vesicular basalt and volcanic breccia were 13.2, 3.21 and 1.5 respectively. displacement cavern powerhouse cavern underground powerhouse cavity Anchor basalt roof convergence monitoring mouthpiece relative displacement excavation instrumentation MPBX convergence central drift...

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