Abstract
By implementing 3D physical modeling investigations, the maximum height of the non-exposed mountain slope extending over the last bench of the open-pit overall slope in loading conditions, as an example of the South-West wall of the Qajaran open-pit mine “Zangezur MMC” CJSC is considered, in which the extended rock masses affect the stress-strain state of the inter-wall rock mass. The problem is solved by using the constructed 3D physical modeling stand consists of lower immobile and upper moveable prisms. By considering the open-pit wall and the non-exposed mountain rock mass as one geomechanical environment, assessing the critical slip surface by using the well-known stability analysis software, the maximum height of the mountain slope is determined. It is shown that the natural mountain slope, extending above the last bench of the open-pit wall does not impact on the stress-strain field, and hence the stability, of the inter-wall rock mass of its overall height.
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