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Keywords: measuring point
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Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-067
.... Stress relief method was firstly applied in rock mass stress mea- suring by Olson[7] in 1949. In this method, the virgin rock is considered as ideal elastic body at specified stress state, and the rock mass has a certain elas- tic deformation temporality, then release the stress at the measuring point...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-063
... the smoke cleaning after blasting, and occasionally happened after the tunnel have finished for 1 to 2 months, It mostly occurred at right arch on the wall, mainly medium-sized peeled off. To identify the crustal stress at the location of rock burst, a three dimensional stress measuring point was conducted...

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