Engineering Rock Mechanics

182 Testing techniques A more elegant method utilizes the vector-like nature of fracture frequency (i.e. it has both a magnitude ...

Questions and onswers: testing techniques 183 these Cartesian components by (mx, my, mz), they are used in the usual formula of ...

184 Testing techniques A7 7.5 The mechanical behaviour of a rock mass is dominated by the fractures, which significantly reduce ...

Questions and answers: testing techniques 185 Ring test. Only the regions on the inner surface in line with the loading are subj ...

186 Testing techniques 120.0, r -1.8 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 The curves associated with these results are shown ...

Questions and answers: testing techniques 187 / Experiment Closed loop compared with a program signal representing the desired v ...

188 Testing techniques stiffness indicated by the line AD) or a servo-controlled machine with axial strain control - both leadin ...

Questions and answers: testing techniques 189 2 2 c 200 .c u) 150- 100 such values from test results -which is sometimes straigh ...

190 Testing techniques The bi-linear approximation to the failure locus requires that the initial portion of the locus emanates ...

Questions and answers: testing techniques 1 9 1 (b) Indicate which of these are likely to be practicably measure- able. A1 1.10 ...

192 Testing techniques 1 1.3 Additional points We emphasize that it is not possible to specify the components of a site investig ...

Rock mass 72 classification 12.1 Rock parameters and classification schemes The purpose of rock mass classification is to establ ...

194 Rock mass classification select values from a table, do we add rating values together, do we multiply ratings together, or s ...

Questions and answers: rock mass classification 195 third set is also jointing; again, the joints are slightly weathered and sli ...

196 Rock mass classification driven along the strike. This is considered to result in 'fair' conditions, with a corresponding ra ...

Questions and answers: rock mass classification 197 the tunnel's route means that at some place along its length it will head in ...

198 Rock mass classification This shows that the rating value for the bedding is much lower than that of the jointing, and so it ...

Questions and answers: rock mass classification 199 If there is any evidence for such weathering, then another assessment should ...

200 Rock mass classification fracture infilling materials. However, the general description of the geological environment would ...

Questions and answers: rock moss classification 201 the size gives us less required security, and is appropriate for temporary m ...