College of Mining, National University of Science and Technology—MISIS, Moscow, Russia:

Galperin А. М., Professor, Chair of Geology and Surveying, Doctor of Engineering Sciences, galperin_a@mail.ru
Moseikin V. V., Head of Chair of Geology and Surveying

Saint-Petersburg Mining University, Saint-Petersburg, Russia:
Kutepov Yu. I., Head of Hydrogeology and Ecology Laboratory, Center for Geomechanics and Mining Problems, Professor, Doctor of Engineering Sciences

Stoilensky Mining and Processing Plant, Stary Oskol, Russia:
Derevyankin V. V., Leading Technical Supervision Engineer

The articles offers discussion of issues connected with slope stability of dumps, hydraulic fills and tailings ponds. The authors review regulatory documents concerned with the assessment of stability of hydraulic structures in open pit mining. It is found that the assessment procedure recommended by the actual standards is based on the analytical estimation and lacks modern methods of the numerical modeling. After analysis of landslide processes at open pit mines, it is concluded that their scale and environmental damage has increased. The authors prove the need to study, predict, include in geotechnical design and monitor pore pressure in structures composed of mine waste and natural rocks. Facilities developed in participation with the present article authors for the pore pressure measurement in water-saturated rock masses exposed to loading are proposed. The difficulties connected with the facilities that generate loads comparable with the stresses in geotechnical structures are specified. The authors describe studies required in justification of optimal designs of geotechnical structures in open pit mineral mining.

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