Abstract Raise Boring Machines (RBMs) are mechanical miners that are preferred over
conventional drilling and blasting methods for drilling/excavating vertical or inclined shafts in …

Button cutters are the main cutting tools used in Raise Boring Machines (RBMs), particularly
in very hard and abrasive ground conditions where their longer lifespan makes them …

Compared to the traditional drilling and blasting method, the raise boring machine method
offers a safer, more efficient and cost-effective approach for excavating shafts in broken rock …

This research evaluates the chief shaft in the Azad Dam hydroelectric power plant in Iran
using a raise borer machine (RBM). Core samples were taken from the exploratory …

In underground development gallery and tunnelling operations, the drillability properties of
rocks have been studied by researchers in recently. Efficiency in excavation and drilling …

Nowadays, mechanical excavation plays an important role in the mining and tunnelling
industries as a powerful alternative to conventional drilling and blasting. As a result of rapid …

На шахтах Кузбасса метановоздушная смесь из завального пространства отводится
через сбоечные скважины. Время бурения одной скважины доходит до 5-7 дней …