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http://dx.doi.org/10.9711/KTAJ.2012.14.3.159

A comparative study on methods for shield tunnel segment lining sectional forces  

Yoo, Chung-Sik (성균관대학교)
Jeon, Hun-Min (성균관대학교)
Publication Information
Journal of Korean Tunnelling and Underground Space Association / v.14, no.3, 2012 , pp. 159-181 More about this Journal
Abstract
The segment lining which consists of segments and joints are main component of shield tunnel. There are a number of methods that are being used in design which compute the sectional forces of a ring of segment lining. The traditional design methods which do not consider the effect of joints have been commonly used for design procedure without a specific verification of structural analysis. This paper presents the result of a comparative study for analytical and numerical models of the shield tunnel segment lining. For the traditional methods, the elastic equation method and the Duddeck & Erdmann method were considered. The ring-beam and the continuum analysis model were also considered as the numerical model.
Keywords
Segment lining; shield tunnel; load transfer; beam-spring model; structure analysis; joint stiffness;
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