摘要
The features of water-inrush in south China coalfield are studied,from a case of Baise coalfield in Guangxi.An analytic hierarchy process(AHP) mode includes eight factors controlling water-inrush incidents.The threshold values of water-inrush vulnerable index(VI),i.e.0.055,0.115,0.155,are determined,and the water vulnerable zones,such as vulnerable zone(VI>0.155),more vulnerable zone(0.115