| 摘要 |
The invention discloses a coal seam floor water burst variable weight interval threshold determining method, which comprises the following steps that: firstly, each main control factor is determined; then, data collection, data quantification and data normalization processing are sequentially carried out; a state variable weight vector formula is built; each main control factor index value is subjected to classification processing; and variable weight interval thresholds are determined. The variable weight interval threshold determining method in the coal seam floor weakness evaluation and prediction adopting a variable weight model is provided for the first time; when the method is used for determining the variable weight interval thresholds, the method is reasonable and conforms to the actual production conditions; and the coal seam floor water burst weakness evaluation and prediction precision can be effectively improved. |
