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http://dx.doi.org/10.12652/Ksce.2012.32.4C.129

A Study on the Area of Reinforcement in the Cross Tunnel by Laboratory Model Test  

Jung, Hyuk Sang (한국철도기술연구원)
Hong, Jong Ouk (한양대학교 건설환경공학과)
Baeg, Seung In (한양대학교 건설환경공학과)
Chun, Byung Sik (한양대학교 건설환경공학과)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.32, no.4C, 2012 , pp. 129-137 More about this Journal
Abstract
With the increase in infrastructure needs and tunnel construction, more complicated geometries have come to light, especially in cross tunnel design and construction. The major factors to influence existing tunnels are spacing between tunnels, relative position, size of the new tunnel, construction techniques, topographic and geologic conditions, structure, and alternative construction. In this study, settlement from an excavation for a new tunnel near an existing tunnel, settlement from a change in position of the new tunnel relative to an existing tunnel, and the distribution of deformations of the existing tunnel as a result of excavating the cross-location are analyzed through laboratory model tests. As the results, in condition of the new tunnels go through below the existing tunnel, not only analysed through the standard of the diameter of the tunnel, so it would need to set up to strengthen the field within each side of the 1D, but also determined the part of the cross in the existing and the new tunnel, should implement the reinforcement from the part of new tunnel to the existing tunneling influence of excavation.
Keywords
cross tunnel; laboratory model test; settlement; strain;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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