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Evaluation of Pavement Rehabilitation Using Precast Concrete Slabs and Slab Connection methods  

Cho, Young-Kyo (경희대학교 토목공학과)
Oh, Han-Jin (경희대학교 토목공학과)
Hwang, Ju-Hwan (경희대학교 토목공학과)
Kim, Seong-Min (경희대학교 공과대학 토목공학과)
Park, Sung-Ki ((주)승화엘엠씨 기술연구소)
Publication Information
International Journal of Highway Engineering / v.12, no.4, 2010 , pp. 165-174 More about this Journal
Abstract
This study was conducted to evaluate the feasibility of expedite repairing of concrete pavements using precast concrete pavement method and to investigate the effectiveness of slab connection methods. In the demonstration construction, four slabs of jointed concrete pavements were replaced with the precast slabs. First, precast concrete slabs were designed and fabricated, then existing slabs were cut and removed, and finally precast slabs were installed. The slabs were leveled and pockets, holes, and space between the slab bottom and the underlying layer were grouted. From the demonstration construction, details about the design and construction of the precast pavements for repairing of pavements were evaluated. In addition, the slab connection methods such as pocket and hole connection methods were applied in the construction and the slab curling behaviors at the joints that include those connection methods were compared. The results showed that both slab connection methods were applicable, and the hole connection method was superior.
Keywords
precast concrete pavement; rehabilitation; pocket connection; hole connection; curling;
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Times Cited By KSCI : 1  (Citation Analysis)
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