... of rockmass-support system, rockmass mechanical performance). By means of the Grey system, we can predict the future development tendency according to measurement data, and pre-control the rockmass to avoid fatal accident and significant property loss. We select the displacement convergence of tunnel rockmass...

... metals & mining geological structure investigation stress value measurement data structural geology korobkov ore deposit Particularity eastern deposit Reservoir Characterization deposit quartzite ferruginous quartzite rock mass rock massif current stress state strength Ore...