The Evaluation Method for Tunnel Structure Health Condition Based on Asymmetric Proximity

Abstract:

In order to achieve the quantitative health diagnosis of operational tunnel, established the health diagnosis system and the evaluating criterion based on the mechanism of tunnel disease, used the weighted average operator to obtain comprehensive evaluation results, applied the asymmetric proximity to decide the grade of tunnel structure health, thus build a complete fuzzy comprehensive evaluation model. Finally, by taking the example of Lilong tunnel located at LiuHe Express way, and made analysis and evaluation to its structure health status. The results show that the improved grey relevancy method to determine the index weight can avoid the subjective arbitrariness and improve the reliability of the evaluation model, making a decision and analysis by asymmetric proximity insures the diagnosis results more correspond with the objective reality.

• Periodical: Applied Mechanics and Materials (Volumes 548-549)
• Pages: 1721-1727
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.548-549.1721
• Online since: April 2014
• Authors: Shao Wen Zhou*, Qing Ming Xiang, Ya Qiong Wang
• Keywords: Asymmetric Proximity, Fuzzy Evaluation, Gray Relevancy, Health Diagnosis, Tunnel Engineering

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