Michael M Murphy,Ted Klemetti,Heather Lawson et al.
Michael M Murphy et al.
Gamal Rashed,Khaled Mohamed,Robert Kimutis
Gamal Rashed
The National Institute for Occupational Safety and Health (NIOSH) conducted a comprehensive monitoring program in a room-and-pillar mine located in Southern Virginia. The deformation and the stress change in an instrumented pillar were moni...
Assessing support alternatives for longwall gateroads subject to changing stress [0.03%]
应力变化条件下面向综采工作面顺槽的支持方式评估
Gabriel S Esterhuizen,I Berk Tulu,Dave F Gearhart et al.
Gabriel S Esterhuizen et al.
Longwall gateroad entries are subject to changing horizontal and vertical stress induced by redistribution of loads around the extracted panel. The stress changes can result in significant deformation of the entries that may include roof sa...
The current perspective of the PA 1957 gas well pillar study and its implications for longwall gas well pillars [0.03%]
PA1957气井柱研究的现状及其对走向长壁气井柱的启示
Peter Zhang,Daniel Su,Chris Mark
Peter Zhang
Many states rely upon the Pennsylvania 1957 Gas Well Pillar Study to evaluate the coal barrier surrounding gas wells. The study included 77 gas well failure cases that occurred in the Pittsburgh and Freeport coal seams over a 25-year span. ...
Using self-determination theory to identify organizational interventions to support coal mineworkers' dust-reducing practices [0.03%]
运用自我决定理论识别组织干预措施以支持煤矿工人的降尘实践
Emily J Haas
Emily J Haas
Advancing the application of safety and health (S&H) technologies is likely to remain a value in the mining industry. However, any information that technologies generate must be translated from the organization to the workforce in a targete...
Mark A Van Dyke,Ted M Klemetti,Craig Compton
Mark A Van Dyke
Coal mines are continuously seeking to determine the performance of entries with different ground control products and installation methods. There are many factors that impact how an entry will perform which include but are not limited to g...
Application of the coal mine floor rating (CMFR) to assess the floor stability in a Central Appalachian Coal Mine [0.03%]
煤层底板评级（CMFR）在中部阿巴拉契亚矿区底板稳定性评价中的应用研究
Sena Cicek,Ihsan Berk Tulu,Mark Van Dyke et al.
Sena Cicek et al.
Estimating the overall floor stability in a coal mine using deterministic methods which require complex engineering properties of floor strata is desirable, but generally it is impractical due to the difficulty of gathering essential input ...
A test method for evaluating the thermal environment of underground coal mine refuge alternatives [0.03%]
一种地下煤矿避难所 alternatives 评价热环境的方法试验
D S Yantek,L Yan,N W Damiano et al.
D S Yantek et al.
Since 2009, the Mine Safety and Health Administration (MSHA) has required mines to install refuge alternatives (RAs) in underground coal mines. One of the biggest concerns with occupied RAs is the possible severity of the resulting thermal ...
Transport model for shale gas well leakage through the surrounding fractured zones of a longwall mine [0.03%]
长壁采煤周围断裂带中页岩气井泄漏的传输模型
Kayode M Ajayi,Steven J Schatzel
Kayode M Ajayi
The environmental risks associated with casing deformation in unconventional (shale) gas wells positioned in abutment pillars of longwall mines is a concern to many in the mining and gas well industry. With the recent interest in shale expl...
Laboratory investigation of the anisotropic confinement-dependent brittle-ductile transition of a Utah coal [0.03%]
各向异性约束依赖的犹他州煤的脆性-延性转变试验研究
Bo-Hyun Kim,Mark K Larson
Bo-Hyun Kim
This paper was developed as part of an effort by the National Institute for Occupational Safety and Health (NIOSH) to identify risk factors associated with bumps in the prevention of fatalities and accidents in highly stressed, bump-prone g...