SAFETY EVALUATION OF RAILWAY TUNNEL LINING BY FUZZY PATTERN RECOGNITION
YANG Yanqing1，GAO Yongtao1，HE Shaohui2，QI Falin2，3
(1. School of Civil and Environmental Engineering，University of Science and Technology Beijing，Beijing 100083，China； 2. School of Civil Engineering，Beijing Jiaotong University，Beijing 100044，China；3. Institute of Infrastructure Testing，China Academy of Railway Sciences，Beijing 100081，China)
Abstract：There are many qualitative and quantitative indices which are of uncertainty，ambiguity and complexity for safety evaluation of operating railway tunnel. In order to obtain a more reasonable evaluation result，the method of fuzzy pattern recognition for the safety of operating railway tunnel lining is proposed. The method that the forty-four indexes are divided into four gradations deals with the relationship between the qualitative evaluation indices and the quantitative evaluation indices. The calculation result shows that the evaluation results obtained by this method coincide with the results by the method of empirical judgments. The method reflects the roles of different indices in the process of various safety evaluation，makes up for the deficiency of traditional method based on empirical judgments，and will have some guidance significance for the further research on safety evaluation of railway tunnel.
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2014, Vol. 33 
