同时，为降低桥头地基的荷载和基础应力，减少沉降并增加填料的密实度，台背回填采用液态粉煤灰填筑。
At the same time, liquid coal ash is used in backfilling of abutment, so as to reduce the load and basic stress, reduce settlement and increase the dense of fillings.
结合实际情况，提出了较好的桥头搭板的设置方案及台背回填应注意的几个问题，供设计施工参考。
Based on actual conditions, the paper proposes better designing of transition slabs and problems in abutment backfilling for reference of the construction of the same kind.
皂化渣粉煤灰可以用做桥头等高填土路段的回填材料。
Saponification slag-fly ash can be used in the high fill sections of highway.
摘要：桥头跳车是指路面在台背回填处沉陷或断裂，车辆在通过时产生的车辆跳起、颠簸现象。
Abstract: : Bump the road at the abutment backfill settlement or fracture, the vehicle through the vehicle jump thrashing.
摘要：桥头跳车是指路面在台背回填处沉陷或断裂，车辆在通过时产生的车辆跳起、颠簸现象。
Abstract: : Bump the road at the abutment backfill settlement or fracture, the vehicle through the vehicle jump thrashing.
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