(9) Is the groundwater understood at the site? Is groundwater likely to(10) Are there any significant anisotropic and/or inhomogeneous rock
(11) Exactly what type of rock testing is required and why?
(12) Will a rock mass classification approach be useful?
(13) Are there any time-dependent aspects that should be taken into
(14) Are there any adverse interactions that could lead to positive(15) Are the rock properties used in the design those of the rock mass(16) Should rock stabilization be primarily reinforcement or support?
(17) Have all the potential failure mechanisms been identified?
Being observant, being competent in the techniques, systematically
going through the rock mechanics factors, and having the courage of
your convictions to ensure that all the work is completed properly will
significantly reduce the chances of unexpected events occurring when
your rock engineering design is implemented.be a problem?mass characteristics?account?feedbacks and hence instabilities?before or after excavation?