DOI: 10.11799/ce201611043
Evaluation of coal seam floor water inrush in Panjiayao Coal Mine based on regular mesh generation and variable weight theory
WU Qiang
LI Fei-fei
LIU Shou-qiang
ZENG Yi-fan
Abstract：Based on the conditions of 8# coal seam in Panjiayao Coal Mine, with full consideration on the great difference of hydrogeological condition in different part of the evaluation area, the paper finished regular grid generation for the evaluation area on the basis of coal seam floor vulnerability evaluation. The paper divided the evaluation area into a finite number of regular grid, assigned different attribute values for each grid according to the characteristics of the main controlling factors, then established the coal floor groundwater inrush evaluation system of Panjiayao Coal Mine;introduced the theory of variable weight to the vulnerability evaluation of coal floor groundwater inrush, used variable weight model to determine the weight of main controlling factors for each evaluation unit; and finally built zoning variable weight model of coal floor groundwater inrush evaluation of Panjiayao Coal Mine, then zoned and evaluated the research area. The results of zoning variable weight model were compared with the constant weight model, which showed evaluation effect of the former was more accurate and reasonable.
Keywords：coal floor water inrushvulnerability indexregular grid generationzoning variable weight model
Publication Date：2016-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：5( 1-4,8 )