桥梁的整体稳定计算
摘要：城市桥梁尤其是高架桥或立交匝道桥，由于受桥下交通和桥梁美观的影响，设置单支点桥墩或横桥向小支座间距的设计形式被广泛采用，但由此造成桥梁的整体稳定问题日益突出，近年来由于车辆重型化和超载现象的发生，国内发生了多起桥梁整体失稳的事故，本文以工程案例为基础，介绍桥梁抗倾覆稳定性计算的方法，通过对相同参数曲线桥和直线桥的比较，得到相关结论。
关键词：整体稳定；脱空；倾覆轴线
abstract:city bridge especially the viaduct and interchange ramp bridge, becau of the influence of traffic condition under the bridge and bridge appearance, t the single supporting pier or transver direction of bridge design in the form of small spacing is widely ud, but the overall stability of bridges have become increasingly prominent, in recent years due to heavy vehicles and overloading phenomenon, the spate of whole bridge collap accidents, this paper bad on the engineering ca, the bridge overturning stability calculation method, through the comparison of the same parameters of curved brid
ge and straight bridge, conclusion.keywords: overall stability; void; overturning axis
