Results 171 to 180 of about 689,431 (233)

Rock layer deformation analysis and mitigation at fault-crossing mining sites in RCRM operations. [PDF]

Sci Rep
Dongshan Y, Bo L, Xiaohui K, Haohao W, Songyang Y, Shukun Z.   +5 more
europepmc   +1 more source

Mechanism and control strategies for asymmetric floor heave in extra-thick coal seam roadways under high stress. [PDF]

Sci Rep
Zhang J, Sun J, Wang B, Yang T, He Y, Gao S, Qin G, Zhang Y.   +7 more
europepmc   +1 more source

Research on precursory patterns and mechanisms of microseism and electromagnetic radiation during the evolution process of rock burst. [PDF]

Sci Rep
Zhu Y, Yang K, Li X, Jiang B, Qiu L.
europepmc   +1 more source

Energy Transfer Mechanism of Hard-Roof Hydraulic Fracturing in Goaf-Side Working Face Based on Microseismic-Driven Damage Model. [PDF]

Sensors (Basel)
Zhang R, Gong S, Cai W, Li H, Qiu Y.
europepmc   +1 more source

Study on rockburst mechanism and risk identification for isolated working face in extra-thick coal seam fold zone. [PDF]

Sci Rep
Xie Y, Cao A, Li G, Zhao W, Zhang C, Feng Z.   +5 more
europepmc   +1 more source

Instability mechanism of deeply buried coal seam floor under mining effects and optimization of extraction roadway layout. [PDF]

Sci Rep
Chen X, Ma R, Zhou Y, Li J, Xu Y, Chen J.   +5 more
europepmc   +1 more source

Parametric study of a new pressure relief borehole layout for high-stress roadway rockburst prevention. [PDF]

Sci Rep
Lu F, Dou L, Chai Y, Ma X, Cao J, Li H.
europepmc   +1 more source

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Effect of Mine Water on the Stability of Underground Coal Mine Roadways

Geotechnical and Geological Engineering, 2016
The basic objectives of mine roadways are to provide sufficient cross sections to accommodate equipment, transport, personnel travel and ventilation. However, many roadways become damaged to the extent of needing maintenance, generally dinting, and in some cases requiring re-ripping. Strata conditions play important effects on stability of roadways and
Takashi Sasaoka, Tri Karian, Akihiro Hamanaka, Hideki Shimada, Kikuo Matsui, Masatomo Ichinose   +5 more
openaire   +1 more source

Instability Mechanism and Control of Roadway Subjected to Severe Mining Dynamic Load with Double Roadway Layout Mining Face

Geotechnical and Geological Engineering, 2019
Severe deformation and instability problem of surrounding rock was caused by multiple severe mining dynamic load for roadway. Auxiliary haulage roadway 3101 for Menkeqing mine’s first working face was taken as engineering background in this paper. Field observation, borehole observation and numerical simulation were adopted to systemically analyze ...
Fu-lian He, Yong-qiang Zhao, Fu-xing Xie, Jun Liu   +3 more
openaire   +1 more source

Strata loading of mine roadway supports

Mining Science and Technology, 1984
Abstract Several tunnels and roadways in U.K. coal mines have been instrumented to establish an improved understanding of the general characteristics of rock pressure loading on steel supports in such excavations. The sites selected were in a depth range of 350–780 m below surface, whilst the geology was typically Carboniferous Coal Measures rock ...
openaire   +1 more source