New coal pillar strength formulae considering the effect of interface friction

2019 ◽  
Vol 123 ◽  
pp. 104102 ◽  
Author(s):  
Simon Heru Prassetyo ◽  
Muhammad Alen Irnawan ◽  
Ganda Marihot Simangunsong ◽  
Ridho Kresna Wattimena ◽  
Irwandy Arif ◽  
...  
Keyword(s):  
Coal Pillar ◽  
Interface Friction ◽  
Pillar Strength ◽  
Coal Pillar Strength

Strength reduction on saturation of coal and coal measures rocks with implications for coal pillar strength

2014 ◽  
Vol 71 ◽  
pp. 41-52 ◽  
Author(s):  
B.A. Poulsen ◽  
B. Shen ◽  
D.J. Williams ◽  
C. Huddlestone-Holmes ◽  
N. Erarslan ◽  
...  
Keyword(s):  
Coal Pillar ◽  
Strength Reduction ◽  
Pillar Strength ◽  
Coal Pillar Strength ◽  
Coal Measures

Coal pillar strength estimation from failed and stable cases

1987 ◽  
Vol 24 (6) ◽  
pp. 347-355 ◽  
Author(s):  
P.R. Sheorey ◽  
M.N. Das ◽  
D. Barat ◽  
R.K. Prasad ◽  
B. Singh
Keyword(s):  
Coal Pillar ◽  
Pillar Strength ◽  
Coal Pillar Strength
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