Han Depin, Zhang Tianmin, Shi Yading, Bu Changsen, Xing Xiangrong, Zhang Chaohui. THE PRINCIPLE AND INTERPRETATION METHOD OF THE MONOPOLAR-DIPOLE DC PENETRATION AT WORKING FACE[J]. COAL GEOLOGY & EXPLORATION, 1997, 25(5): 32-35.
Citation: Han Depin, Zhang Tianmin, Shi Yading, Bu Changsen, Xing Xiangrong, Zhang Chaohui. THE PRINCIPLE AND INTERPRETATION METHOD OF THE MONOPOLAR-DIPOLE DC PENETRATION AT WORKING FACE[J]. COAL GEOLOGY & EXPLORATION, 1997, 25(5): 32-35.
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THE PRINCIPLE AND INTERPRETATION METHOD OF THE MONOPOLAR-DIPOLE DC PENETRATION AT WORKING FACE

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  • The principle and interpretation method of the monopole-dipole DC penetration at working face are expounded briefly.The forward results indicate that both the vertical and parallel monopole-dipole methods can stress the influences of roof and floor rocks at working face, and suppress the influence of coal seam.It provides a new method to detect the water-bearing and water-flowing structures in roof and floor rocds at working face for the coal mine with large water yield.
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