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http://dx.doi.org/10.9711/KTAJ.2015.17.3.227

A study on the design of shield tunnel lining in high water pressure condition  

Lee, Young-Joon (Yooshin Engineering Co.)
Kim, Ki-Lim (Yooshin Engineering Co.)
Jeong, Keon-Woong (Yooshin Engineering Co.)
Hong, Eui-Joon (Yooshin Engineering Co.)
Kim, Seon-Hong (Yooshin Engineering Co.)
Jun, Duk-Chan (Yooshin Engineering Co.)
Publication Information
Journal of Korean Tunnelling and Underground Space Association / v.17, no.3, 2015 , pp. 227-236 More about this Journal
Abstract
In impermeable ground, water pressure is applied due to discontinuity such as joint or fissure. Therefore, water pressure should be considered in design regardless of ground condition. However, when the shape of segmental lining is circular, water pressure may reduce the lining member force, so it is important to define the assumption and the concept of design in case of high water pressure. This paper presents the concepts of design of the lining of shield tunnel at high water pressure and in impermeable ground condition. In addition, the member forces in various load conditions were compared in this study. (elastic equation, closed form solutions, beam-spring model).
Keywords
Segment lining; High water pressure; Load condition;
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