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http://dx.doi.org/10.9711/KTAJ.2017.19.6.829

The review about ultra long subsea tunnel design under high water pressure  

Jun, Duk-Chan (Yooshin Engineering Co.)
Kim, Ki-Lim (Yooshin Engineering Co.)
Hong, Eui-Joon (Yooshin Engineering Co.)
Kim, Chan-Dong (Yooshin Engineering Co.)
Lee, Young-Joon (Yooshin Engineering Co.)
Hong, Cheor-Hwa ((Pangyo Project Division), Gyeonggi Urban innovation Corp.)
Publication Information
Journal of Korean Tunnelling and Underground Space Association / v.19, no.6, 2017 , pp. 829-843 More about this Journal
Abstract
Subsea tunnel needs to be built over 50 km long to connect between nations and continents. However there are only 19 tunnels longer than 5 km until recently. And there is no history of constructing and operating tunnel longer than 50 km. In Korea, subsea tunnels with a length of more than 50 km are being planned, such as Korea~Japan, Korea~China, Honam~Jeju subsea tunnels. Because of the geographical conditions of Korea, most of these tunnels are inter-contry tunnels. So technology preemption for the subsea tunnel construction is getting more and more important. Most of these subsea tunnels are ultra-long tunnels under high water pressure conditions. So new technologies are required such as ventilation and disaster prevention of high-speed tunnels, securing of structural stability under high pressure conditions, and pressure reduction in high-speed conditions. These technologies are different from those of ground tunnels. Therefore, this paper describes the ultra-long subsea tunnel design under high water pressure of maximum 16 bars through the Honam (land) - Jeju (island) virtual subsea project. We proposed a reasonable solution to various problems such as securing structural stability in high pressure condition and ventilation disaster prevention system of ultra long-tunnel.
Keywords
Subsea tunnel; Ultra long tunnel; High water pressure;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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