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坡段连接
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坡段连接
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工学
铁路线形
释
gradient joint
坡段连接
铁路线路纵断面不同坡度的线段连接。上坡的坡度为正值,下坡的坡度为负值;每个坡度的线段称为坡段;相邻两坡段的连接点称为变坡点。坡段连接的主要技术要素是坡度差、坡段长度以及竖曲线半径(见竖曲线)。
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