Chao-Jiao Zhai, Meng-fei Wu, Xiao-dong Hu, Mao-song Zhou, Jin-rui Zhong. "Experimental and numerical study on waterproofing performance and leakage mechanism of bell-and-spigot joints in prefabricated utility tunnels." Scientific Reports (2026). https://doi.org/10.1038/s41598-025-30109-y