Results 91 to 100 of about 2,553 (189)

Optimization of drawing parameters based on top-coal flow law in thick-seam caving mining. [PDF]

Sci Rep
Wu S, Xu X, Wang J, Kong D, Wu G, Liu Q, Zuo Y.   +6 more
europepmc   +1 more source

Modeling of rock pressure redistribution due to roof caving in vicinity of advancing longwall face

, 2003
Исследована динамика обрушений кровли вслед за движущимся очистным забоем. Разработана геомеханическая модель для прогнозирования динамики обрушений и напряженного состояния массива в окрестности движущегося очистного забоя.Roof caving in a longwall face
Назимко, В.В., Красько, Н.И.   +1 more
core  

Research on the integrated technology of bearing structure reconstruction and support control in high risk area of top coal roadway in thick coal seam. [PDF]

Sci Rep
Xiaokang S, Bacha S, Heng Z, Xiaojing L, Xiaozhen C, Kai W, Hua Z.   +6 more
europepmc   +1 more source

Study on crack propagation law of overlying strata in the process of small coal pillar mining in inclined extra-thick coal seam. [PDF]

Sci Rep
Lu W, Zhao P, Jin Q, Jin H, Li S, Bai J.
europepmc   +1 more source

Deformation characteristics of weakly cemented overburden in Western mining areas in China. [PDF]

Sci Rep
Zhang G, Zhang H, Li G, Chen J, Zhao L, Zhou G.   +5 more
europepmc   +1 more source

How can an intensive preconditioning concept be implemented at mass mining method? Application to Cadia East panel caving project

, 2012
Broadly speaking, preconditioning as applied to cave mining is a process conducted prior to the initiation of caving in order to alter the inherent characteristics of the rock mass to enhance caving.
Green, S., Catalan, A., Jorquera, M., Morgan, M., Chitombo, G., Dunstan, G., Thornhill, T., Onederra, I.   +7 more
core  

Seismic reflection characteristics and genesis of goafs and underlying coal seams. [PDF]

Sci Rep
Shan R, Nie A, Cao X, Zou Y, Zhu W.
europepmc   +1 more source

Energy evolution mechanism of hard roof of working face adjacent to goaf after hydraulic fracturing and application. [PDF]

Sci Rep
Liu X, Liu H, Dong J, Sun W.
europepmc   +1 more source

The deformation characteristics and the prefabricated crack pressure relief stability control of a small coal pillar roadway under stress superposition. [PDF]

Sci Rep
Cheng S, Ma Z, Li Y, Zhang X.
europepmc   +1 more source

Failure mechanism of surrounding rock and synergistic control of strong support-strong pressure relief for lower-seam roadways in close-distance coal seam groups. [PDF]

Sci Rep
Yu S, Suo Y, Cai C, Feng J, Huo X, Hu J, Ren J.   +6 more
europepmc   +1 more source