Browse > Article
http://dx.doi.org/10.14481/jkges.2021.22.3.31

A Study on Behavior of Post-integrated Abutment Bridge When Abutment and Bridge Decks are Jammed  

Park, Yang Heum (Department of Civil Engineering, Kumoh National Institute of Technology)
Nam, Moon S. (Expressway & Transportation Research Institute, Korea Expressway Corp.)
Jang, Il Young (Department of Civil Engineering, Kumoh National Institute of Technology)
Publication Information
Journal of the Korean GEO-environmental Society / v.22, no.3, 2021 , pp. 31-35 More about this Journal
Abstract
The expansion joints installed on the bridge for the accommodation of expansion and contraction of the supper structure are essential members of the bridge. However, the expansion joints are deteriorated over time and the waterproof function weakens, causing rainwater to penetrate and deteriorate the structure. In order to solve the traffic congestion caused by frequent replacement of the old expansion joints along with the deterioration of the structure, a post-integrated abutment bridge in which the existing expansion joints are removed and replaced with reinforced concrete link connection has been applied to highway bridges since 2016. After the post-integrated abutment method was applied, it was partially applied to bridges in which the superstructure and abutment were jammed. In this study, the causes of problems that may occur when the post-integrated abutment method is applied to the jammed bridge were analyzed numerically. It was analyzed that damage occurred in the link connection part. Based on the results of this study, the application condition for the post-integrated abutment method is reinforced as it is not possible to apply the post-integrated abutment method to bridges are already jammed.
Keywords
Expansion joints; Deterioration; Post-integrated abutment bridge; Reinforced concrete link connection; Jammed bridge;
Citations & Related Records
연도 인용수 순위
  • Reference
1 Korea Expressway Corporation (2020b), Design and construction manual for removing expansion joints on abutment of existing bridges, Korea Expressway Corporation (In Korean).
2 石川 (2013), 凍結防止剤の影響を受ける既設道路橋の耐久性向上に関する研究, 長岡技術科学大学博士論文 (In Japanese).
3 中日本高速道路(株) (2011), RC連結ジョイントの設計·施工の手引案 (In Japanese).
4 Kang, H. T., Park, Y. H., Kim, J. C., Lee, B. J. and Nam, M. S. (2018), Study on remodeling a bridge with expansion joints into IABS, EXTRI-2018-44-534.9607, Korea Expressway Corporation (In Korean).
5 Korea Expressway Corporation (2020a), Removing expansion joints on abutment of existing bridges, Korea Expressway Corporation (In Korean).