目前,已投入使用的高等级公路中,普遍存在一个问题是路面在桥涵台背回填处出现跳车,车辆通过时产生跳跃和冲击,司机和乘客感到颠簸不适,甚至造成车辆大幅度减速,严重的可导致交通事故。因此,如何解决高等级公路桥涵台背跳车已经成为亟待解决的问题。 At present, one of the common problems in high-grade highways that have been put into operation is that the road surface bumps up at the backfills of bridges and culverts. When vehicles pass by, they jump and impact, and the drivers and passengers feel bumpy and uncomfortable. Can cause traffic accidents. Therefore, how to solve the problem of high-class highway bridges and culverts on the back of the platform has become an urgent problem to be solved.