ISSN 1392-110X
ISSN 2029-056X (online)
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2008 m. Nr. Priedas
Models of rock deformation under uniaxial compression conditions
Joanna Pinińska
Based on compression strength tests made on several hundreds of rock types of different lithology and originating from different locations of Poland, an attempt was made to associate the susceptibility of rock structure to brittle and ductile flow damage with intragranular and intergranular crack mechanisms. Based on thin-section tests, deformation curves and acoustic emission, four deformation models were compiled. These models relate the final rock structure failure either to the parting fracture of single grains characterising a rapid crushing of igneous, sedimentary and metamorphous rocks containing quartz or silicates, or, on the contrary, to the slow run of the shearing processes that characterise carbonate rocks and breccias with carbonate, ferruginous and silty cementation.
Keywords: engineering geology, rock deformation, compression test, crack mechanisms, modelling, Poland
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