p—Δ效应在地震中对结构的影响

The impaction produced by p—Δ effect on the struction in earthquake

针对斜拉桥和悬索桥桥塔以及高层建筑结构,建立了合理的有限元模型,对结构整体进行了地震荷载分析,得出重力对建筑物侧移的影响,即p—Δ效应,分别给出了在不考虑重力和考虑重力作用下的最大侧移和弯矩,就其结果对比进行原理论述。

In view of the cable-stayed bridge and the hanging bridge＇s bridge tower as well as the high-rise construction structure, establishes the reasonable finite element model. Carry on the earthquake load analysis to the whole structure, obtained the influence of the gravity which moved to the building side, namely p-△ effect. Calculates separately in did not consider the gravity and under the consideration action of gravity, obtains the structure respective biggest side moves and the bending moment, carries on the principle elaboration on its result contrast.