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Keywords: rock property
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Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-173
... strength can be observed covering areas from a few square meters to hundreds of square meters. When such features appear below buildings or roads it can produce catastrophic collapse. The changes of rock properties near the earth surface can be determined by geophysical measurements due to changes...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-036
... of'Technology; Delft, Netherlands Abstract: The objective of our research is to obtain rock properties from acoustic measurements performed with acoustic tools in the borehole. To avoid the problems encountered in the field a laboratory measurement set-up, a borehole simulator and artificial reservoir rock have...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 31–September 3, 1986
Paper Number: ISRM-IS-1986-025
... and to determine rock properties. In a competent rock, the chances of recovery of intact core are relatively high, so rock properties can be determined in a biaxial compression test. In a closely jointed rock, however, the chances of recovery of intact core are much less. Even if overcoring has been successful...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-015
... workings the lowest rock strength was observed on their contour. Rock strenght increased, with the distance from the contour being increased. To choose the type of support and to solve some other problems it is impotant to know changes of rock properties in time their stability. In this connection we...

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