ABSTRACT
ABSTRACT: The reliability and effectiveness of underground constructions depend on the reliability of prediction of the rock mass strength. Traditional introduction of the corrective factors in laboratory strength, during the design phase, is not effective in most cases. Due to high labor cost, rock mass tests in situ are not done as extensively enough to ensure reliable results. Back Analysis Methods are more effective.
The author has developed a method of evaluating the angle of internal friction of fractured rock mass, based on a theoretical hypothesis and data analysis of short-term displacement measurement.
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2000. A.A. Balkema - Permission to Distribute - American Rock Mechanics Association
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