Research On Path Search And Scope Forecast Method Of Water Inrush

Mine water inrush accidents seriously threaten the mine safety production and the workers safety. The thesis aims at water inrush pathway, range and etc of mine water inrush accidents to carry on research. On the one hand it has researched water inrush current extends to the water inrush level and range. On the other hand it predictive parses the extend tendency of water inrush current in the future period of time. And it provides technical support for water inrush accidents' analysis process and flood preventive measures.The thesis based on graph theory and network theory, for the first time puts forward the undirected graph width preferred path search algorithm. Based on the analysis of the water inrush laws and factor, taking graph theory as the theoretical basis, setting the roadway junction which is the elevation of network nodes as search the weight and taking the water flow direction into down extend and up rise. Then it will build undirected graph width preferred path search algorithm.Mine water network information datebase is established, provided four typical water inrush laneway model and put forward water capacity calculation method. Then it has built mine roadway capacity water database model and established one-to-one correspondence relationship of the mine water capacity and water level. Based on this consideration, the concept of water network diagram and the drawing method is put forward.Calculating two kinds of water inrush condition by examples. One is that combining water inrush path search method by known water inrush point and a certain moment roadway water level to calculate the mine water inrush at this moment. Then through two moment water level change to work out water inrush volume. The second is that combining the given mine laneway topology information, then according to water inrush point and a given or calculated water inrush volume to prediction calculation for the water inrush scope and water level elevation of future time period.Taking the undirected graph width preferred path search algorithm of mine water inrush pathway to apply and validate in instance mine. The calculation results show that this algorithm accurately realized that searching and generating water inrush current path under the condition of known mine water bursting point and mine basic information data. Then calculating water inrush volume and providing water inrush scope. Forecasting the water inrush volume and scope of next time by applying water level sensor method to calculate the water inrush volume or under the condition of given water inrush volume...