… In the case of wooden sleepers, nails (named after the shape of the head) or screw nails are generally used to fasten the rail to the sleeper, and a steel plate called a tie plate is inserted between the rail and the sleeper to prevent the rail from biting into the sleeper. In the case of PC sleepers, the elasticity is lower than that of wooden sleepers, so a track pad made mainly of wood or rubber is inserted between the rail and the sleeper, and the rail is fastened with a rail pressure spring and a bolt. *Some of the terminology that refers to "track pad" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… レールとまくら木の締結には,木まくら木の場合,一般に犬釘(頭部の形状からこの名がある)やねじ釘が用いられ,またレールがまくら木に食い込むのを防ぐためレールとまくら木の間にタイプレートと呼ばれる鉄板が挿入されている。PCまくら木の場合は木まくら木に比べて弾性が低いため,木またはゴムを主成分とした軌道パッドをレールとまくら木の間に挿入するとともに,レール押えばねとボルトで締結している。 ※「軌道パッド」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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