EVALUATION OF ROOF BOLTING REQUIREMENTS BASED ON IN-MINE ROOF BOLTER DRILLING

Peng, Syd S.

West Virginia University (United States)

关键词: Underground Mining;    Strata Control;    Roof Bolts;    Installation;    01 Coal, Lignite, And Peat;   

DOI  :  10.2172/825234
RP-ID  :  NONE
RP-ID  :  FC26-01NT41056
RP-ID  :  825234

美国|英语

来源: UNT Digital Library

【 摘 要 】

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) laboratory tests have been conducted, (2) with the added trendline analysis method, the accuracy of the data interpretation methodology will be improved and the interfaces and voids can be more reliably detected, (3) method to use torque to thrust ratio as indicator of rock relative hardness has also been explored, and (4) about 80% of the development work for the roof geology mapping program, MRGIS, has completed.