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http://dx.doi.org/10.14481/jkges.2021.22.4.5

Dynamic Behavior on Transition Zone of the Railway Bridge-earthwork by Shape of Transition Zone  

Jung, Kwangsu (Hankwang Engineering & Architecture Co,, Ltd.)
Ahn, Kwangkuk (School of Civil Engineering, Chungbuk National University)
Kang, Hongsig (Byeokdong Construction Co., Ltd.)
Publication Information
Journal of the Korean GEO-environmental Society / v.22, no.4, 2021 , pp. 5-13 More about this Journal
Abstract
The transition is the zone where support stiffness suddenly increases in the railway industry. If the support stiffness increases, differential settlement will occur at the transition due to difference of stiffness, and the differential settlement causes problems for the train running safety and the roadbed that supports the track. In particular, a study on differential settlement at bridge-earthwork transition was only conducted to considering railway load in most cases. However, these studies have not taken account of earthquake despite earthquake has been occurred frequently in the recent, and it is necessary to consider earthquake. Therefore, in this study numerical analysis has been performed by changing the inclination of approach block, which determines the shape of the transition, and earthwork in order to verify the effect of the shape of the transition on the dynamic behavior at the bridge-earthwork transition. The result shows that the dynamic behavior at the bridge-earthwork transition was affected by the shape of transition.
Keywords
Dynamic behavior; Bridge-earthwork; Transition; Earthquake;
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Times Cited By KSCI : 1  (Citation Analysis)
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