Evaluation of Roof Bolting Requirements Based on In-Mine Bolter Drilling Progress Report
Description:
In this quarter, the field, theoretical and programming works have been performed toward achieving the research goals set in the proposal. The main accomplishments in this quarter included: (1) two more sets of field tests have been conducted in an underground coal mine, (2) optimization studies of the control parameters have been conducted, (3) method to use torque to thrust ratio as indicator of rock relative hardness has also been explored, and (3) about 97% of the development work for the r…
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Date:
September 15, 2004
Creator:
Peng, Syd S.
Partner:
UNT Libraries Government Documents Department