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http://dx.doi.org/10.7781/kjoss.2016.28.3.163

Probabilistic Analysis on Dynamic Response of Steel Box Girder Bridge by Actual Passing Trains  

Hwang, Eui Seung (Civil engineering in Kyunghee University)
Kim, Do Young (Civil engineering in Kyunghee University)
Yeo, Inho (Korea Railroad Research Institute)
Publication Information
Journal of Korean Society of Steel Construction / v.28, no.3, 2016 , pp. 163-171 More about this Journal
Abstract
For railway bridges, serviceabilities such as passenger comfort and train riding safety are important design requirements as well as the structural safety of the bridge. In this paper, dynamic responses of a steel box girder bridge by actual passing trains were measured and analyzed by probabilistic method. Deflections and accelerations data at center of side span were collected for about a month by various types of actual passenger and freight trains. Effects by axle weights, types of trains were analyzed. 100 and 200 years maximum values were estimated by Gumbel probability paper and compared with corresponding requirements in the current design code. Except for some cases of accelerations, estimated values were well below the criteria and exceedance probabilities were very low. More data for longer term and other types of bridges are needed to perform comprehensive analysis on the serviceability of railway bridges.
Keywords
Railway bridge; Passenger comfort; Riding safety; Deflection; Acceleration;
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Times Cited By KSCI : 1  (Citation Analysis)
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