The paper discusses the technique for quantifying and analyzing the geometry of joint patterns developed using conventional empirical technique of stereographic analysis/ kinematic admissibility check/ markland’s test and its confirmation with the results of acoustic televiewer logs for characterization of rock mass discontinuities during investigation for some rock cut slopes and tunnels in the United Arab Emirates. The Acoustic televiewer study is relatively a new technique for characterization of discontinuities with more precision on the azimuthal orientation, depth and thickness of the discontinuities. The results can be correlated with bore logs and the surface empirical method of stereographic analysis to get a more precise and dependable interpretations during the investigation for rock cut slopes and underground excavation projects. The technique was applied to over 30 m deep rock cut slopes and nine large diameter (+10 m) tunnels in the UAE and found to be beneficial.


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