Method and experimental device for identifying coal rock instability precursor characteristics by using energy dissipation rate
The invention provides a method and an experimental device for identifying coal rock instability precursor characteristics by using an energy dissipation rate. The method comprises the following steps: collecting monitoring data in the whole coal rock instability failure process; preprocessing the c...
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| creator | ZHONG TAOPING SONG DAZHAO HU XUCONG TONG YONGJUN CHEN ZEMIN XUE YARONG LIU ENDE LI ZHENLEI |
| description | The invention provides a method and an experimental device for identifying coal rock instability precursor characteristics by using an energy dissipation rate. The method comprises the following steps: collecting monitoring data in the whole coal rock instability failure process; preprocessing the collected monitoring data to complete cleaning of the monitoring data and elimination of abnormal data; calculating the energy dissipation rate and the dispersion of the energy dissipation rate in the instability failure process of the coal and rock mass; and determining a response rule of the energy dissipation rate and the coal-rock mass instability, and obtaining a coal-rock instability precursor characteristic discrimination criterion to identify the instability state of the coal-rock mass. The method can provide a new analysis method and index for coal rock dynamic disaster early warning, and plays a positive role in improving the early warning accuracy of coal rock dynamic disaster monitoring and early warning |
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The method comprises the following steps: collecting monitoring data in the whole coal rock instability failure process; preprocessing the collected monitoring data to complete cleaning of the monitoring data and elimination of abnormal data; calculating the energy dissipation rate and the dispersion of the energy dissipation rate in the instability failure process of the coal and rock mass; and determining a response rule of the energy dissipation rate and the coal-rock mass instability, and obtaining a coal-rock instability precursor characteristic discrimination criterion to identify the instability state of the coal-rock mass. 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The method comprises the following steps: collecting monitoring data in the whole coal rock instability failure process; preprocessing the collected monitoring data to complete cleaning of the monitoring data and elimination of abnormal data; calculating the energy dissipation rate and the dispersion of the energy dissipation rate in the instability failure process of the coal and rock mass; and determining a response rule of the energy dissipation rate and the coal-rock mass instability, and obtaining a coal-rock instability precursor characteristic discrimination criterion to identify the instability state of the coal-rock mass. The method can provide a new analysis method and index for coal rock dynamic disaster early warning, and plays a positive role in improving the early warning accuracy of coal rock dynamic disaster monitoring and early warning</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | CALCULATING COMPUTING COUNTING DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES EARTH DRILLING ELECTRIC DIGITAL DATA PROCESSING FIXED CONSTRUCTIONS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MINING PHYSICS SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR TESTING |
| title | Method and experimental device for identifying coal rock instability precursor characteristics by using energy dissipation rate |
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