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Journal Article
Robbins small boring unit finishes crossing two weeks early
2017
Overview
The Robbins remote controlled small boring unit (SBU-RC) is a new type of boring machine capable of excavating small-diameter, hard rock tunnels at long distances, on line and grade. The SBU-RC is currently manufactured in the 900-millimeters diameter range, but it could be designed as small as 750 millimeters in diameter. It features a smart guidance system for pinpoint steering accuracy and is controlled from an operator's station on the surface. Muck removal is accomplished through a vacuum system, making the Robbins SBU-RC more cost effective than microtunnel boring machines requiring slurry and cleaning plants onsite.
Publisher
Society for Mining, Metallurgy, and Exploration, Inc
Subject
