| Budget Amount *help |
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2011: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2010: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2009: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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| Research Abstract |
A measuring method of rail axial stress is studied based on numerical models. For this purpose, dispersion curves are obtained for a periodically supported continuous welded rail. It is found that the pinned-pinned resonance is a suitable mode. Moreover, applicability of the method to curved rails and tracks with a railroad switch is investigated. Through numerical experiments availability of the method for these cases is proved.
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