Proceedings of the 4th Rock Mechanics Symposium, Ottawa, 1967

*** Full proceedings can be found here

OPEN PIT DRILLING- FACTORS INFLUENCING DRILLING RATES
A. Bauer, P.N. Calder

CONTROL OF GROUND MOVEMENT AT THE GECO MINE
R.C.E. Bray

ROCK MECHANICS FIELD MEASUREMENTS IN NORTH SWEDISH SULPHIDE lVllNES
H. K. Helfrich, N, Krauland

COMPARATIVE STRESS MEASUREMENTS AT ELLIOT LAKE
W. L. van Heerden and F. Grant

AN APPRAISAL OF CONVERGENCE MEASUREMENTS IN SALT MINES
D. G. F. Hedley

IN SITU STRESSES ALONG THE APPALACHIAN PIEDMONT
V. E. Hooker, C. F. Johnson

STRESS CHANGES DURING UNDERCUTTING FOR BLOCK CAVING AT THE GRANCESBERG MINE
J. Hult, H. W. Lindholm

FlELD BLASTING STUDIES
G. E. Larocque, K. Sassa, J.A. Darling, D. F. Coates

THE EFFECT OF STOPING ON THE STABILITY OF A REMOTE PREEXISTING TUNNEL
W.D. Ortlepp

EXPERIMENTAL DETERMINATION OF VISCOSITY OF ROCKS BY A SONIC METHOD
Dr. M.H. Rana, D. W. McKinlay

METHODS OF ANALYZING THE GEOMETRY IN JOINTS
J. E. Schwellnus

MODIFYING MINE DESIGN FROM ROCK MECHANICS DATA
J.D. Smith

DESIGN OF PARTIAL EXI’RACTION SYSTEMS IN MINING
K. Wardell