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Study on Monitoring and Warning System of Ordovician Water Inrush Based on Multi-Aquifer Hydraulic Connection

Author: HuangJingJing
Tutor: YangDong
School: Taiyuan University of Technology
Course: Safety Technology and Engineering
Keywords: Ordovician water inrush inspecting and warning relationship of hydraulics characteristic Multi-aquifer burst mechanism
CLC: TD745
Type: Master's thesis
Year: 2011
Downloads: 149
Quote: 0
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Abstract


With the depletion of shallow part coal resources, increasing of mining intensity, and extension of the depth of the mine, the hazard of high pressure water from the bottom of the Ordovician limestone Meiceng has beening aggraving and the water inrush accident happend frequently.These highly affect safty and high-efficent production of coal mine. Therefore, the water inrush Ordovician research monitoring and early warning is particularly important.Based on the coal floor water inrush mechanism Ordovician research and analysis, summarized existing methods and techniques of water inrush lack of monitoring and early warning, based on multi-Ordovician aquifer water inrush of water monitoring theory, using the finite element pressure distribution layer to establish a monitoring Mathematical model, the inversion pressure monitoring layer analysis, development of visual Ordovician limestone water bursting monitor system. Carried out using the system simulation of water inrush to verify its accuracy; with more than Lu’an Coal Group’s engineering practice, to verify its stability. The paper describes in detail the composition of the system and on-site construction of the technical aspects, but also points out the deficiencies of the system in hopes of improving in the future, and look forward to the system can be promoted in the major mining area, the results will be applied to practical production.

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CLC: > Industrial Technology > Mining Engineering > Mine safety and labor protection > Mine drainage and water shutoff > Prevention and treatment of mine flood
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