Study on coal drawing parameters of deeply buried hard coal seams based on PFC. [PDF]
Xinlei L, Ziyuan R, Zhengzheng C, Hao R.
europepmc +1 more source
Study on fissure development law of surrounding rock in horizontal section stope of steeply dipping coal seam group. [PDF]
Panshi X +4 more
europepmc +1 more source
Numerical Investigation of Gas Migration and Spatiotemporal Evolution in Y‑Type Ventilation Working Faces with Gob-Side Entry Retaining Using COMSOL. [PDF]
Zhai Y +6 more
europepmc +1 more source
Study on the Failure Law of Overlying Strata in Thick Coal Seam Mining under the Condition of Shallow Burial Depth, Thick Loose Layers, and Thin Bedrock. [PDF]
Ren K +8 more
europepmc +1 more source
Influences of coal-rock interface morphology's spatiotemporal evolutionary characteristics on top coal caving law. [PDF]
Shen Y +5 more
europepmc +1 more source
The Mining Industries, 1899-1939: A Study of Output, Employment, and Productivity [PDF]
Harold Barger, Sam H. Schurr
core
Periodic Fracture Model and Control of Hard Roof of Thin Coal Seam Short-wall Face: A Case Study of Zhuzhuang Coal Mine [PDF]
Biming S, Ke G, Qi W
core +1 more source
Study on the failure law of overlying rock under coal seam in close distance coal seam and feasibility discrimination of upward mining. [PDF]
Miao Y.
europepmc +1 more source
Research on surrounding rock control technology of roof cutting and pressure relieving for roadside filling in gob-side entry retaining of large mining height panel. [PDF]
Weiyong L +5 more
europepmc +1 more source
Possibility of applying mechanized coal mining in the mine 'Soko', with the comparative advantages of production results and impact [PDF]
core +1 more source

