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Fundamental and applied issues of mining

2019 year, number 2

ANALYSIS OF STRESS-STRAIN STATE OF "CONTACT ORE ZONE-BACKFILLING MASS" SYSTEM AT THE ORLOVSKY MINE

A. A. Neverov1, S. A. Neverov1, Yu. N. Shaposhnik1, A. I. Konurin1, S. N. Shaposhnik2
1Chinakal Institute of Mining, Siberian Branch, Russian Academy of Science, Novosibirs, Russia
2East Kazakhstan State Technical University, Ust-Kamenogorsk, Republic of Kazakhstan
Keywords: Закладочный и рудный массивы, искусственная кровля, разрушение горных пород и закладки, деформационные характеристики закладки, численное моделирование, Backfilling and ore masses, artificial roof, failure of rocks and backfilling, strain backfilling characteristics, numerical simulation

Abstract

The influence of excavation design features on the stress-strain state and stability of the rock mass and backfilling within the boundaries of block 12c at level 11 of the Orlovsky mine horizon is considered. The main factors of backfilling caving to the mined-out space of stopes are determined.