WebHighwall hazards are created when workers are exposed to highwalls with the potential for failure. 59 slides: Ground Control at Surface Mines Part II Photos used to illustrate highwall hazards and their remediation. 6 slides: Surface Slope Failure Photos used to illustrate various types of surface slope failure. Ground Stability Videos WebMar 14, 2016 · To safely scale using the shovel, maintain the high wall height within the reach of the bucket. Do not work under loose material for any reason. Pay special attention when working in the corners of box …
Highwall Mining: Design Methodology, Safety and …
Pit and Quarrynotes there are several things that can prove hazardous in mining that involves highwalls. Geological structures can influence highwall stability. Other factors include how strong the rock mass is. Weathering, water inflow, surface drainage, and erosion can make highwalls unstable. Unsafe … See more Although it may look as stable as Mount Rushmore, by its very nature and purpose, a highwall can collapse without warning. People and machines … See more Constant vigilance is required to spot potential dangers and make corrections before a disaster occurs. Mining staff looks for structural weaknesses in the rock. Any movement along these discontinuities can … See more In order to maintain the stability of the highwall, mining companies employ methods that maintain the bank, slope, and wall stability. … See more Many of the hazards of highwalls in mining can be eliminated by having wise geotechnical planning. Next, safe mine operations need to be in place and followed. To ensure … See more WebJan 30, 2024 · Arlington, VA — In response to a number of fatalities and serious injuries involving miners working near highwalls in recent years, the Mine Safety and Health Administration has issued a safety alert on the associated hazards. MSHA defines a highwall as “the unexcavated face of exposed overburden and material on an open face or … new lexington family practice ohio
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WebApr 4, 2024 · • Scale highwalls to eliminate hazards such as loose rocks or overhangs. Perform scaling from a position that will not expose miners to injury. Until hazards are … WebHighwall Safety There are many potential risks when working near a highwall, bench or overhang. These risks, such as falling rock, dirt and debris, can result in the damage or destruction of your equipment. Unexpected accidents can even lead to … WebNov 3, 2015 · Highwall mining is an important surface coal mining method, and it may account for approximately 4% of total U.S. coal production. Highwall stability is the major ground control related safety concern. Ground control plans for highwall mining should specify hole width, web pillar width, barrier pillar width and number of holes between … new lexington girls varsity basketball