Study On Safety Evaluation Of Coal Railway Special Line

With the rapid development of economy,the scale of many enterprises and factories has been expanding, and the economic efficiency has been significantly improved since the reform and opening-up, and materials and the number of products is growing. The railway line for transporting goods belonging to the unit is constructed to adapt to the pattern of enterprise development. According to statistics, the coal railway line occupies a large proportion in the railway line,whose number has come to thousands with more than ten thousand kilometers, carrying the task of much cargo transport, and it is an important part of China’s railway transportation network and even transportation network. Most of these are located in remote areas. With the unreasonable problems of obsolete equipment,low quality staff and backward security administration,its security situation is worrying. It is of great practical significance for the development of coal railway line to carry out scientific and reasonable safety evaluation, find out the hidden dangers as well as reduce or even eliminate the security risks.Coal special railway line is a complex system,transportation services include the traffic organization, maintenance operations, maintenance, electrical maintenance, vehicle maintenance in five major categories. According to the principle of safety evaluation of the production and operation entity, this paper mainly expounds the current situation of the safety of the transportation business, the dangerous and harmful factors in these five aspects,and puts forward the corresponding countermeasures and suggestions. In addition to the above analysis of safety risk factors, this paper analyzes the risk factors existing in the safety management, and point out deficiencies of safety management, which supply the improvement of the level of safety management with system and implementation foundation.Besides, the paper also studies two outstanding issues of coal railway line, namely the level crossings problems and the cycle determination problem of line maintenance.Based on the above safety factors analysis of the coal railway line, the safety evaluation index system matching safety situation of coal railway line in our country should be established. Use fuzzy analytical hierarchy process to provide the weight of each index, and use dynamic fuzzy theory to establish safety evaluation model of special railway line. Then calculate the fuzzy value and evaluation grade of each index, finally get their development tendency and form the dynamic evaluation of railway private siding, which provide reference for the safety management of special railway line. In the end, taking Chifeng-Daban-Baiyinhua Railway as an example, the safety evaluation is carried out to verify the feasibility of the model.