Fei, Ruizhen, Limin Peng, Chunlei Zhang, Jiqing Zhang, and Peng Zhang. “Mechanical Characteristics of Twin Tunnel Underneath Construction on Existing High-Speed Railway Tunnel”. Archives of Civil Engineering 69, no. 1 (March 30, 2023): 403–420. Accessed October 19, 2026. https://wydawnictwo.pan.pl/index.php/ace/article/view/4070.