A Radar-Based Highwall Rib-Thickness Monitoring System
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A Radar-Based Highwall Rib-Thickness Monitoring System

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    In addition to developing various types of coal-interface detection system, the US Bureau of Miner is actively in involved in developing a coal rib-thickness monitoring system for highwall mining applications. One particular system that shows promise in a ground-pentetrating radar system to detect the coal-air boundaries of coal rifts. Based on preliminary laboratory and field tests results indicate that this method can be applied successfully in highwall mines to maintain constant rib thickness. The coal seam should be relatively clean in the vicinity of the antenna (e.g., have minimal partings or dirt bands) for best results.
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    National Institute for Occupational Safety and Health
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