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References from The use of stress-strength relationships in the assessment of tunnel stability. Local targets link to admitted publications; unresolved targets remain external evidence.
Engineering classification of rock masses for the design of tunnel support
10.1007/bf01239496 · 1974 · External reference
Forecasting stability problems in tunnels constructed through clay, soft rocks and hard rocks using an inexpensive quick approach
1994 · External reference
Engineering classification of jointed rock masses
1973 · External reference
Rock mass rating systems in engineering practice
1988 · External reference
10.1016/0886-7798(94)00069-w · 1995 · Admitted local publication
Updating of the Q-System for NMT
1993 · External reference
Empirical strength criterion for rock masses
10.1061/ajgeb6.0001029 · 1980 · External reference
Unresolved reference
1995 · External reference
Characterizing the strength of rock masses for use in design of underground structures
1995 · External reference
Correlation between observed support pressure and rock mass quality
10.1016/0886-7798(92)90114-w · 1992 · External reference
Unresolved reference
1993 · External reference
Unresolved reference
1946 · External reference
Support determinations based on eological predictions
1972 · External reference
