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http://dx.doi.org/10.9711/KTAJ.2010.12.2.165

Development of design charts for concrete lining in a circular shaft  

Shin, Young-Wan ((주)하경엔지니어링 터널지반부)
Kim, Sung-Soo ((주)하경엔지니어링 터널지반부)
Kim, Young-Jin ((주)하경엔지니어링 터널지반부)
Publication Information
Journal of Korean Tunnelling and Underground Space Association / v.12, no.2, 2010 , pp. 165-175 More about this Journal
Abstract
Recently, requirement of a long subsea tunnel has increased due to political, economical and social demands such as saving of distribution costs, improvement of traffic convenience, and regional development. Road and railroad tunnel need a shaft for construction and ventilation because of increase of tunnel length. Shaft diameter, lining sectional thickness and rebar quantity have to be determined for design of concrete lining in the shaft. A lot of structural analyses are needed for optimal design of concrete lining considering shaft diameter, load conditions and ground conditions. Design charts are proposed by structural analyses for various conditions in this study. A sectional thickness and rebar quantity can be easily determined using the proposed design charts.
Keywords
Shaft; lining; ununiform load ratio; lining design chart; working stress design method; ultimate strength design method;
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