CONTROL ACTION OF GEOLOGIC STRUCTURE TO WATER-ABUNDANCE ABILITY OF BEDROCK AQUIFER

The hydrogeological structure system controls the underground water system. However, the research on the construction of water control is still weak. Fault, fold and other geological structures in the North China type Huainan coalfield are extremely developed. It has guiding role in understanding the characteristics of groundwater enrichment and preventing the coal floor water disaster during mining engineering in the mining area with complex geological structure by studying the control mechanism of these geological structures to the groundwater and summarizing the control law of the formation of the water rich in the geological structure. In this paper, taking the northern part of Huainan coal field as the research object and the geological structure of the study area is complex. The controlling mechanism of typical geological structure to the water-abundance ability of bedrock aquifer has been studied by using the method of analysis of hydrogeological structure system combined with a large number of measured data. It is considered that there are two ways which are direct and indirect approaches to control the water-abundance ability and the action processes of the two approaches are discussed respectively. The theory has important practical significance for the re understanding of mine hydrogeological condition.