Working with an experienced team of mining specialists, like American Mine Services, can help mitigate risks and hazards. If an employee notices movement or spots a discontinuity, he is to report his observation to a superior immediately. sign programs are detailed in this section. in Table 1. given in Table 1. Safety measures when working near a highwall are important to consider, learn more here. located in Beckley, WV is your one stop WorldWide Highwall Mining Experts! Water content in fine-grained sedimentary rocks is an important consideration in many engineering projects. trailer <<85CA2839D6674380AE288C8BBC6F99BC>]/Prev 701540>> startxref 0 %%EOF 92 0 obj <>stream Mega Highwall Mining LLC. 76 0 obj <> endobj xref 76 17 0000000016 00000 n There are no exceptions to this rule. ............................................................................................................................................. .................................................................................... .......................................................................................................................... ......................................................................................... ................................................................................................ .............................................................................................................. ............................................................................................................... ................................................................................... ..................................................................................................... ........................................................................ ...................................................................................................... ....................................................................................................................... .......................................................................... ................................................................ ............................................................................ ........................................................................................................ ................................................................................................................................ ................................................................................................................................................ ,) in the equation above for US coal mines, The highwall mining design programs can be requested from the author, http://www.coalcountrythemovie.com/about_page.html, http://www.msha.gov/FATALS/2000/FTL00C14.HTM. Geotechnical data should be reviewed and modified. Instead of an auger hole, an entry into the coal seam is made by a continuous miner, remotely operated from a cabin at the surface. Any movement along these discontinuities can cause the rock to slide or collapse. This comprehensive technical book on highwall mining covers theory and practice coupled with practical examples and design aspects. If rock debris is not contained or removed, the workplace may become unsafe. Since highwall mining is a relatively new method, the, will be hazardous to the workers and mining equipment on, since a highwall mining operation normally. Positioning equipment so it swings away from the highwall. These hazards are most likely caused by the instability of the mine pillar system due to insufficient mine design and/or difficulties en-countered in mining operations. Illinois, Coal Research Center, Southern Illinois University, Carbondale, Illinois, USA. While some equations work reasonably well (for example, some strength–porosity relationships for sandstone and shale), rock strength variations with individual physical property measurements scatter considerably, indicating that most of the empirical equations are not sufficiently generic to fit all the data published on rock strength and physical properties. 1. 0000001515 00000 n The company’s mining contractor professionals are in high demand around the globe. Hence, the use of index testing as an alternative for predicting UCS is investigated by researchers. Making sure loose material is scaled before new work begins. Training employees to recognize and report highwall hazards. However, innovations like remote sensing—while useful—should never be used to replace basic geotechnical investigative methods. 0000004633 00000 n

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