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Study on Risk Assessment of Coal Working Face Based on the Theory of Hazard

Author: WangZuo
Tutor: TianShuiCheng
School: Xi'an University of Science and Technology
Course: Safety Technology and Engineering
Keywords: Coalface Risk Assessment Index system Analytic Hierarchy Process Fuzzy Comprehensive Evaluation
CLC: TD79
Type: Master's thesis
Year: 2008
Downloads: 233
Quote: 6
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Abstract


The coalface Is mine accident -prone location . Coal mine roof accident , flooding accident , the accident of spontaneous combustion of coal , gas explosion accident, occupies a large proportion of coal dust explosion , and the occurrence of occupational diseases in the coal face . Therefore carried out a risk assessment study on the coal face , and the urgent need to address the problem of coal mine safety management . Starting from the analysis of the situation and security situation of the development of China 's coal industry , first expounded the meaning and content of the coal face dangerous source of risk assessment research ; brief introduction to the current domestic and international risk assessment ; application of hazard theory for mine coalface 6 major accidents ( incidents of spontaneous combustion of coal , roof accident , gas explosions in coal dust explosion , flooding accident and occupational diseases) , from three types of dangerous source angle coalface six categories the root causes of the accident . Secondly , according to the principles established in the law of these six categories of major accidents and the evaluation index system , starting from the analysis coalface of various types of accident causes and impact factors , comparative analysis of the factors that affect accident , identify representative indicators , combined with expert summed up the experience , to build a coal mining face accident Hazards risk Assessment index system . The expert questionnaire method and Analytic Hierarchy Process to determine the weight of each index . Finally, the use of fuzzy comprehensive evaluation methods of the coalface source of major accident hazard risk assessment research . In field applications , based on the coal mine -related technical standards and procedures , the preparation of a safety checklist to determine the degree of membership of each index experts scoring checklist scene application in VB to prepare a risk assessment of the coalface dangerous source achieve visual operation of the risk assessment , to simplify the calculation of the amount of the risk assessment process , was evaluated by instances of the application of a mineral S201 coalface , obtained the security level of the mine S201 face is safer level.

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CLC: > Industrial Technology > Mining Engineering > Mine safety and labor protection > Labor safety
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