6.2.1 Geotechnics rock properties
Quiz by Richard Campbell
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20 questions
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- Q1the mineral composition and shape, size of grains - the spatial arrangementFabric30s
- Q2the mass per volume of rockDensity30s
- Q3the ability of the rock to oppose forces or stress applied to itStrength30s
- Q4the ability of the rock to oppose forces or stress in opposing directions applied to itShear strength30s
- Q5the force per unit area acting on a rockStress30s
- Q6the response of a rock to stress, the deformation in the direction of the force / initial length or volumeStrain30s
- Q7combined lithostatic and hydrostatic pressure, at depth all principal stresses are equalConfining pressure30s
- Q8when a rock deforms without large scale fracturing, it folds and flowsDuctile deformation30s
- Q9causes the rock to fracture, possibly after some elastic deformationBrittle deformation30s
- Q10the three dimensional arrangement of three directions of stress, maximum, minimum and intermediatePrincipal stresses30s
- Q11the unit for measuring stressMpa (MegaPascal)30s
- Q12roughness or harshness of the surfaceAsperity30s
- Q13the remaining resistance to movement after failureResidual strength30s
- Q14Fractures with no or little displacement, tend to be a result of the dissipation of residual stresses after foldingJoint sets30s
- Q15pressure exerted on rocks by the weight of overlying rocks, density x gravity x depthlithostatic pressure30s