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在桥头跳车对行车影响及其机理分析的基础上，从理论上就跳车引起行车速度的降低进行了定量分析；同时根据车辆在公路上有桥头跳车路段实地行驶测试，定量给出了桥头路堤沉降量的容许范围，其结果可供理论研究、桥梁设计和施工参考。
Based on the analysis of the impact on the driving of the bridgehead and its mechanism, the paper theoretically analyzes the reduction of driving speed caused by the jumping of the vehicle. In the meantime, according to the vehicle driving test on the road with bridgehead jumping, The allowable range of bridgehead embankment settlement, the results for theoretical research, bridge design and construction reference.