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http://dx.doi.org/10.4334/JKCI.2017.29.2.159

Evaluation on Structural Performance of Joint with Asymmetric Ribbed Connection Details used in Precast Bridge Deck  

Chung, Chul-Hun (Dept. of Civil & Environmental Engineering, Dankook University)
Byun, Tae-Kwan (Dept. of Civil & Environmental Engineering, Dankook University)
Kim, In-Gyu (Daewoo Institute of Construction Technology)
Shin, Dong-Ho (Daewoo Institute of Construction Technology)
Lee, Han-Joo (Dept. of Civil & Environmental Engineering, Dankook University)
Publication Information
Journal of the Korea Concrete Institute / v.29, no.2, 2017 , pp. 159-167 More about this Journal
Abstract
A precast concrete deck system is considered an effective alternative in terms of its rapid construction and quality assurance than cast-in-place concrete deck. In precast concrete deck system, structural performance and serviceability are mostly determined by the connection methods between the precast decks. This research proposes more improved precast deck system with asymmetric ribbed connection details improving the disadvantage of previous precast deck system such as difficulties in assembling precast decks. And in this precast deck system, a separate form is not required at the site because partition wall of the precast decks serves as a form when placing non-shrinkage mortar in the connection part of the precast decks. Therefore, rapid construction is possible. Flexural performance is verified through load tests considering main parameter such as rib length in the precast deck connection. From the test results, it can be inferred that the development of the rebar and prevention of adhesion failure in the partition wall of the precast deck system are important factors in securing the flexural performance. Although the structural performance of the precast deck system with asymmetric connection details is gradually reduced as the rib length in the precast deck connection increases, the proposed precast deck system shows sufficient flexural performance and can be applied to the connection part of precast decks effectively.
Keywords
precast concrete deck system; rapid construction; ribbed connection details; flexural performance;
Citations & Related Records
Times Cited By KSCI : 8  (Citation Analysis)
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