The percussive force endangers the safety of the bridge, while the abutment is subject to part of the seismic load because of the collision.
梁端与桥台之间的地震碰撞可让桥台分担部分地震荷载，但是撞击力对桥梁的安全性带来不利的影响。
2
Research conclusions: the rectangular hollow abutment and the t figure hollow abutment meet the requirement of passenger dedicated railway line on conformation, load, durability and function.
研究结论：矩形空心桥台、T形空心桥台在构造、受力、耐久性、功能上均能满足客运专线铁路的要求。
3
Research purposes: According to the characteristics of passenger dedicated railway line on conformation, load, durability, inspection function and appearance, the reasonable abutment is designed.