STUDY OF DEFORMATION MANIFESTATIONS IN THE EXCAVATION WORKING FLOOR WHEN IT IS SUPPORTED BY ROOF BOLTING
V. F. Demin1, T. K. Isabek1, N. A. Nemova2
1Karaganda State Technical University, Karaganda, Republic of Kazakhstan
2Chinakal Institute of Mining, Siberian Branch, Russian Academy of Science, Novosibirsk, Russia
Keywords: Аналитическое моделирование, напряженно-деформированное состояние, технология, приконтурный массив горных пород, крепление горных выработок, Analytical modeling, stress-strain state, technology, marginal rock mass, excavation support
Abstract
The diagrams for supporting workings by floor and roof bolts are considered, which allow to reduce the swelling of floor rocks and manifestations of rock pressure. The degree of influence of mining and engineering factors on the bolting effectiveness of workings is established.
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