交通・物流部門大会講演論文集
Online ISSN : 2424-3175
セッションID: SS2-8-1
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フロントロッドの張りが応力に与える影響
*重盛 壮平潮見 俊輔
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In order to identify the cause of failure of the front rod, which connecting the tip of tongue rails, we attempted to elucidate the relationship between the state of stress and extensional adjustments state. First, we measure the strain in each section of the front rod while changing the state of extensional adjustments. The measurement found that the strain increased whether the front rod was extended or shrunk. Also, the strain around the long hole of the L-shaped fitting was particularly affected. Next, the stress in case of the tongue rail was forced to stick rail was analyzed using a finite element model of the point section of railroad switch. The results showed the same tendency as in the measurement, and it was found that a high stress region existed from the inner surface of the long hole of the L-shaped fitting to the outer surface.

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