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The Division of Rock Burst Danger Zone in Da’anshan Coal Mine and Research and Development of Expert System Software

Author: NiuShuang
Tutor: PanYiShan；LiZhongHua
School: Liaoning Technical University
Course: General and Fundamental Mechanics
Keywords: rock burst prediction danger zone dipartition
CLC: TD324
Type: Master's thesis
Year: 2009
Downloads: 34
Quote: 0
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Abstract


China is one of the countries which rock burst hazards is the most serious. In particular, most of the mine gradually into depth mining, therefore, rock burst hazards becoming increasingly serious. In order to avoid or mitigate the equipments damage and casualties caused by the rock burst, improve the accuracy of the forecasts is becoming critical. By using of computer technology and considering the variety of different forecasting techniques to develop expert system which divided rock burst dangerous zone. That enables dangerous areas division intelligent and digital; reducing process, shorten the time. In this paper, Da’anshan coal mine as the test mine, work around the integration of predictive technologies of rock burst, take specific measures to solve the risk of rock burst and provide effective methods.The geological condition of Da’anshan mine is complex. With the increase of mining depth, mining dynamic phenomenon is gradually emerging. It is necessary to forecast division of danger areas and prevent the risk of rock burst. With the combination of rock mechanics, mining disasters mechanics and mining science-based theory, this report analysed rock burst occurring in natural geological factors and production technical factors. In addition, according to Da’anshan coal mine geological conditions and mining technical conditions, as well as on the basis of comprehensive analysis the existing domestic and international prediction methods of rock burst, it exploited the rock burst dangerous area dividing expert system software. This software has these following features: to conclude of shocks occurring conditions and influencing factors, to select and analyse the mining area engineering drawings regionally, to determine the compared impact of mining area, to calculate the grading risk of mining area, and finally to demarcate danger zones within mining area.By using this software to predict impactive tendency of Da’anshan coal mine deep backtrough and to divide dangerous areas, validity is being confirmed.This research can be applied to all mines with impative tendency and with a wide range of promotional applications.

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CLC: > Industrial Technology > Mining Engineering > Mine the pressure and support > Rock pressure and rock movement > Rockburst
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