Ai, Qing, and Yong Yuan. “State-Oriented Maintenance Strategy for Deteriorating Segmental Lining of Tunnel”. Journal of Civil Engineering and Management 24, no. 6 (October 10, 2018): 469-480. Accessed November 29, 2024. https://mma.vgtu.lt/index.php/JCEM/article/view/5595.