A Review of Research Situation on Shield Tunnel Diseases

Diseases such as segment cracks, damage, dislocation, water leakage often occur during the construction and operation process of shield tunnel, which will threaten the safety of running trains and shorten the maintenance cycle and service life. Based on previous research on shield tunnel diseases, the paper makes an analysis of the detection methods, causes of diseases, evaluation and repairment. Combining with the personal understanding of practical projects, the authors put forward some problems about the current research.