The System Of Selecting Underground Mining Method Of Metal Mine

It is well known that the choosing of mining methods is the hardcore of a mine's construction and production, that how to find a safe,efficient,economic and reasonable mining meted is a main point, that a suitable method is the base of rational planning, economic mining and safety production.The existing ways of selecting underground mining methods are evaluated in this paper. In order to make up their deficiencies as well as to realize computerization and optimization of underground mining methods election, a system of choosing underground mining methods of metal mines is set up. Aimed at actual need for mine and based on full analysis of ore block sloping, domain knowledge base (KB) of the system is established and program modules of inference engine,user interface explanation and KB management are drew up. Thus the ES frame is formed and the foundation for further development of this system is laid down.Firstly, domain knowledge base (KB) of metal mines are established basing on the spot investigation and collecting a mass of data.The idea and rules to form the KB of mining methods and the structure and operation of it are explained in the paper. The information of different mines and 52 mining methods which including open stoping method,caving,cut and fill method,Underground combined mining methods,Joint-type underground mining method and special mining method are collected to build the KB. The information are arranged and inputted to different the computer for three database which are economic indicators database,geological database and structural elements database. Consequently, the knowledge base (KB) of mining methods which are systematic and integrative relatively is developed.What's more, the principle of Furry Math is used to select a preference mining method by consulting and referencing to the successful experience of the selection of underground mining methods, it is firstly to choose mining methods by the Fuzzy Cluster Analysis and finally to choose mining method by the Fuzzy Synthetic Evaluation.The fuzzy mathematical method is used to quantify the indexes affecting the mining methods and a matrix is established for fuzzy evaluation.Some mining methods is preliminarily selected, then making fuzzy comprehensive evaluation and choosing optimum mining method finally. The thesis afford academic and technical sustentation for selecting preference mining method of Metal Mine for its search apace in selecting initial alternatives and obtaining data is not restrained artificially. Compared with traditional comparison of technical economy, choosing mining method applying fuzzy mathematics is scientific and accurate, it has realistic meaning for the metals mines.At last, according to the Furry Math principle, the computer programme which is used to choose a reasonable mining method is exploited. The customer's interface of the programme is friendly,convenient and easily used, the programme can be used as a assistant tool to choose a reasonable mining method, so it has a popular application value and realistic meaning.