blasting enhanced permeability in deep rock mass w

DEEP ROCK MASS

DEEP ROCK MASS ENGINEERING

deep rock mass without free surface

deep rock-mass deformation

Rock Mass Tunnel

wall rock around tunnel

accumulation of rock mass

acidic cor rosion and filtration of rock mass

ACOUSTIC EMISSION IN ROCK MASS

age of rock mass

anchorage of discontinuous jointed rock mass

Anchored Rock Mass

Anchoring rock mass

ancient rock mass of tension cracked

available rock mass

BACK ANALYSIS OF ROCK MASS PARAMETERS

BASIC QUALITY CLASSIFICATION OF ROCK MASS

basic quality index of rock mass