Quarterly Report of RTRI
Online ISSN : 1880-1765
Print ISSN : 0033-9008
ISSN-L : 0033-9008
PAPERS
Evaluation of Critical Wind Speed of Overturning Considering Measured Lateral Vibrational Acceleration
Yu HIBINOHiroyuki KANEMOTO
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研究報告書・技術報告書 フリー

2019 年 60 巻 4 号 p. 243-248

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The critical wind speed of overturning obtained by RTRI's detailed equation tends to be lower than the empirically estimated speed, because it assumes the superposition of the worst conditions. In order to improve the accuracy of the evaluation, previous research has focused on the evaluation of aerodynamic forces that have the greatest influence on calculation results. Only few studies however, have been conducted on the lateral vibrational inertia force. Therefore, in order to evaluate the critical wind speed of overturning reflecting real conditions, an examination was made of the evaluation method based on the measured values of the lateral vibrational acceleration.

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© 2019 by Railway Technical Research Institute
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