JOURNAL OF TUNNEL ENGINEERING, JSCE
Online ISSN : 1884-9105
Print ISSN : 1349-5399
ISSN-L : 1349-5399
Experimental research on the effect of reinforcement of internal structure on damaged tunnel linings
Hideto MASHIMOSatoshi MORIMOTOTsutomu KITANIKatsunori KADOYU
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2008 Volume 18 Pages 21-32

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Abstract

The objective of this paper is to clarify the effect of inner reinforcement, such as inner concrete lining, carbon fiber sheet reinforcement, steel support and steel plate reinforcement, on the restoration of the load bearing capacity of damaged concrete lining. In this study, model experiments using full-scale concrete lining specimens were carried out and new knowledge about the effect of inner reinforcement was obtained. The results show that the effect of inner reinforcement depends on the type of inner reinforcement and characteristics of failure. Furthermore, the results show that there is a limit on the effect of inner reinforcement unless damaged concrete lining itself has sufficient load bearing capacity.

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© by Japan Society of Civil Engineers
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