Sonar mapping of abandoned water-logged underground coal mine and backfilling operation using underwater camera
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Date
2021
Journal Title
Journal ISSN
Volume Title
Publisher
Inderscience Publishers
Abstract
The paper describes mine mapping and backfilling work carried out during field experimentations on simple hydraulic gravity blind backfilling method for the stabilisation of ground above old abandoned waterlogged underground coal mine of Eastern Coalfields Limited (ECL), India. The section of the abandoned mine to be backfilled was explored using the underwater remote operated vehicle (ROV) camera before actual backfilling work. The use of sonar imaging facility of the ROV camera for mapping of the underground waterlogged area to be backfilled is described. The plotting of gradual progress of sand bed as the filling progressed in different stages through different boreholes as monitored from surrounding camera boreholes is also described. © © 2021 Inderscience Enterprises Ltd.
Description
Keywords
Boreholes, Coal, Coal deposits, Coal mines, Deterioration, Mapping, Sonar, Underwater cameras, Area monitoring, Bord and pillar mining, Coal pillar, Coal pillar deterioration, Computerized data, Computerized data acquisition, Filled area monitoring, Hydraulic gravity blind backfilling, Mine mapping, Movable backfilling laboratory, Sonar imaging, Surface subsidence, Data acquisition
Citation
International Journal of Mining and Mineral Engineering, 2021, 12, 3, pp. 181-194