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http://dx.doi.org/10.7782/JKSR.2016.19.5.647

A Correlation Analysis on Earth Pressure and Subgrade Stiffness in Bridge Abutment Transition Zone  

Kim, Jin-Hwan (Department head of Korea Rail Network Authority, Graduate School of Railway Seoul National University of Science & Technology)
Cho, Kook-Hwan (Dept. of Railway Construction Engineering, Graduate School of Railway, Seoul National University of Science & Technology)
Publication Information
Journal of the Korean Society for Railway / v.19, no.5, 2016 , pp. 647-655 More about this Journal
Abstract
The construction of high speed railways and improvement projects of for conventional railways require straight railway lines of railway, which leads to an increase of bridge and tunnel construction. Transition zones in railways means that the track support stiffness is variedvaries in over short ranges. Sspecial attention is required in theose transition zones since because instability of train running in train and irregularities of track irregularities are can frequently occurred. Typical transition zones are between bridges and earthworks and between tunnels and earthworks. On In a transition zone, a bridge abutment transition zone has many problems in with various causes. In this paper, fundamental problems of bridge abutment transition zones is are analyzed to enhance the understanding about of bridge abutment transition zones. Suggestions for improving problems in the transition zones are proposed.
Keywords
Transition zone; Subgrade stiffness; Bridge and Earthworks;
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