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Keywords: camera survey
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Proceedings Papers
Effect of Repeated Blast Loading On Damage Extent of Penstock Tunnels In Heavily Jointed Rockmass - A Case Study
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Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-163
... AND INSTRUMENTATION The blast design details of tunnels and power house site excavation are given in Table 2. Instrumentation carried out in this study include, triaxial geophones for vibration monitoring, borehole camera survey for observing crack extension, loosening of joints and borehole extensometers...