Risk Analysis for Rock Slopes in Open Pit Mines. Part I. Distribution of Rock Mass Properties.
Einstein-HH; Baecher-GB; Veneziano-D; Et Al
NTIS: PB/81-201592 :200 pages
The objective of this research was to collect in situ data from exploration programs and published literature, and to empirically establish distributional patterns for these variables. Since discontinuities in a rock mass govern its engineering properties to a large extent and thus the performance of any slope in the mass, work has been devoted to determining the appropriate distributional forms for attitude, spacing and length of discontinuities, and to distributional properties of resistance and deformability parameters. The conclusion from these analyses is that trace lengths are log-normally distributed and that joint spacing is exponentially distributed, regardless of orientation of the sampling line, and regardless of whether each joint set is considered separately or not.
CP; Final Contract Report;
NTIS Accession No.
Massachusetts Inst. of Tech.