... 1972, Niswa & Kobavashi 1974). The size of the mineral grains in the body does is the same for variuos size (volume)of the bodies loaded and it is a prerequisite the similarity laws to be broken in the failure process (Swan 1980). size effect scale effect strength mechanismof fran Proc...

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... of the rocks were 29.9 MPaand 2.0 MParespectively. '!be telrp!rature of the well was 2O"Cat a depth of 20 m and increased nad:a1ically to 6O"Cat a depth of 400m. Initial stresses were estimated by the a<:OJStic emissioo metrod using cores obtAined fran the well at a depth of 370m '!be vertical <XJ11XJ1E...

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... during the duration of this study have been selected, and have been defined from the geomechanic point of view. geomechanical classification fran road cross-section characteristic metals &amp; mining support density information convergence function application inclination classification...