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http://dx.doi.org/10.4334/JKCI.2017.29.1.023

The Experimental Study on Transverse Field Joint Method of Precast Road Deck Slab of Double Deck Tunnel in Great Depth  

Lee, Doo-Sung (Hong-G Technical Reserch Institute)
Kim, Bo-Yeon (Hong-G Technical Reserch Institute)
Bae, Chul-Gi (Jin-An gun office, Department safety disaster)
Hur, Jae-Hun (Korea Expressway Corporation, Seo-Hae Bridge Security Center)
Publication Information
Journal of the Korea Concrete Institute / v.29, no.1, 2017 , pp. 23-32 More about this Journal
Abstract
The joints between precast PSC slabs of the intermediate road slab in double deck tunnel are inevitably generated in the road traffic vehicle traveling direction. Therefore, it is important to make the behavior of parts on the joint in one piece. The imtermediate road slab system of double deck tunnel in great depth proposed in this study will be constructed with precast PSC slab in order to minimize the construction period. And the joint connection between the precast slab has been developed in two methods: the 'Transverse tendon reinforcement method' and 'High strength bolts connection method'. Also, the experiments were performed for the full scale model in order to evaluate the performance of the intermediate road deck slab with two type joints systems, the structural stability was verified through the F.E.M analsysis. The results of static loading test and F.E.M analysis investigated a very stable behavior of intermediate road deck slab in double deck tunnel applying the joint methods developed in this study, in the cracks and deflections to satisfy the design standards of Highway Roads Bridges (2011), it was determined that there is no problem even servicebility.
Keywords
double deck tunnel; middle slab; precast; field segmentconnection; static loading test;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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