Predicting powder factor in mixed-face condition: Development of a correlation based on investigations in a tunnel through basaltic flows

Engineering Geology

Volumn 47, Issue 1-2, 1997, Pages 31-41

  Chakraborty, A K ^a   Jethwa, J L ^a   Dhar, B B ^a  

^a CSIR CENTRAL INSTITUTE OF MINING AND FUEL RESEARCH   (India)

Author keywords

Contact surface; Mixed face; Powder factor; Rock mass quality; Strength; Tunnel

Indexed keywords

BASALT; BLASTING; COMPRESSIVE STRENGTH; CORRELATION METHODS; PETROLOGY; TUNNELS;

BARTON ROCK MASS QUALITY; CONTACT SURFACE EFFECTS; MIXED FACE FORMATION; POWDER FACTOR; ROCK MASS PROPERTIES;

ROCK MECHANICS;

BLASTING; POWDER FACTOR; ROCK MASS QUALITY; TUNNELLING; UNIAXIAL COMPRESSIVE STRENGTH;

EID: 0031210760     PISSN: 00137952     EISSN: None     Source Type: Journal    
DOI: 10.1016/s0013-7952(96)00117-2     Document Type: Article

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