%0 Journal Article
%T Smoke movement and control in tunnels under construction: recent research progress and future directions
%J Fire (Basel, Switzerland)
%D 2023
%A Yao, Yongzheng
%A Xia, Ziyang
%A Wang, Rui
%A Ren, Fei
%A Gao, Zihe
%A Zhao, Jinlong
%A Wang, Qiang
%V 6
%N 5
%P e191-e191
%X China is the country with the largest number of tunnels, the largest tunnel construction scale, and the fastest development of tunnels in the world. Figure 1 shows the development history of metro and highway tunnels; it can be seen that tunnels have experienced rapid development in recent years. By the end of the year of 2021, there were a total of 23,268 highway tunnels, with a total length of 24,698.9 kilometers [1]; 7209.7 km of this distance is made up of tunnels operating the metro in China [2].<p /> <p>Language: en</p>
%G en
%I MDPI: Multidisciplinary Digital Publications Institute
%@ 2571-6255
%U http://dx.doi.org/10.3390/fire6050191