Cost of maintaining drifts at direct mining of a mine field

Abstract

Establishing the cost of repair of drifts in mining engineering literature has always been and is paid much attention, as the maintenance of drifts is one of the main items of expenditure of coal mines both in terms of cost and labor intensity. Some establish a mathematical dependence of the cost of repair of drifts, passed (or extinguished) in parallel to the cleaning works, as a function of their length, and others - as a function of conditions, maintenance: the cross-section of the excavation, the characteristic of rocks, proximity-cleaning works, etc. Some of them establish a mathematical dependence of the cost of repair of drifts, passed (or extinguished) in parallel to the cleaning works, as a function of their length.