桥头跳车，是由于公路桥头及伸缩缝（桥头引道）处的差异沉降或伸缩缝破坏而使路面纵坡出现台阶引起车辆通过时产生跳跃的现象。
Bridge bump is one of the problems that encountered when freeway are constructed in loess area.
桥头跳车是黄土地区修建高速公路常遇到的问题之一。
参考来源 - 黄土地区台后跳车柔性搭板处治技术研究The construction of high filling embankment behind abutment has many difficulties in technology, which involve the control of workable settlement, the problem of bump at bridge-head and the calculation of earth pressure behind abutment.
桥头高填路基集中了许多技术难点，包括了高填方工后沉降控制，桥头跳车问题及桥台台背土压力计算。
参考来源 - 桥头高填路基沉降预测及台背土压力研究·2,447,543篇论文数据，部分数据来源于NoteExpress
桥头跳车是目前公路建设中急需解决的问题之一。
Bridgehead bump is one of the urgent problems in the process of highway construction.
本文简要分析了桥头跳车的成因及相应的预防措施。
This text synopsis analysis Chiaotou jump a become of car because of and correspond of prevention measure.
桥头引道沉降控制是防止桥头跳车现象的关键问题。
Control of bridge approach settlement is a key problem to prevent from bumping at bridge head.
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