Abstract
In the early times, restricted by the tunnel construction technology and technical difficulties, tunnel diseases, especially water leakage of lining are widespread in the tunnel engineering of China. Leakage disease would adversely affect the lining structure and operation environment, which may endanger the normal operation of tunnel projects. Existing leakage classification standards for tunnels are mainly based on the apparent view state, and the impacts of the actual operating environment are not fully taken into consideration. Based on the characteristics of leakage influences on tunnels, leakage in tunnels is analysed from the perspective of traffic safety, including the influence on driving safety and the influences of tunnel operation. Through investigation, point out the shortcomings of existing leakage classification methods, such as criteria are not complete, quantitative criteria are insufficient, disease treatment are not considered, and so on. The research results will provide important ideas for future research of tunnel lining leakage.
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