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在公路建设中桥头跳车是普遍存在的危害之一,它是由于桥梁或通涵等构造物两侧与路堤填土衔接处产生较大的差异沉降和差异刚度,使得路面出现显著的纵坡变化和刚度变化,从而导致高速行驶的车辆在通过时产生颠簸跳跃现象。
It is one of the ubiquitous hazards that the bridgehead jumping in highway construction is caused by the large differential settlement and differential stiffness at the junction between the embankment and the embankment on both sides of the bridge, Changes and stiffness changes, resulting in high-speed vehicles in the bumpy jump phenomenon.