橋梁的整體穩定計算
摘要：城市橋梁尤其是高架橋或立交匝道橋，由于受橋下交通和橋梁美觀的影響，設置單支點橋墩或橫橋向小支座間距的設計形式被廣泛采用，但由此造成橋梁的整體穩定問題日益突出，近年來由于車輛重型化和超載現象的發生，國內發生了多起橋梁整體失穩的事故，本文以工程案例為基礎，介紹橋梁抗傾覆穩定性計算的方法，通過對相同參數曲線橋和直線橋的比較，得到相關結論。
關鍵詞：整體穩定；脫空；傾覆軸線
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
