斜拉桥在地震作用下的反应分析

文章描述了现场观察到的某斜拉桥的破坏情况,并通过一个详细的非线性模型的模拟说明了该地区地震中附近的地面运动记录并没有很好地反映该桥的破坏原因。由于桥位置处没有仪器测量,所以根据附近强运动数据加上地震脉冲在桥位置处产生了一个虚构的记录,对于该桥运用虚构记录进行模型模拟。结果表明,在模拟状态下桥的结构变形与实际观察到的破坏情况很符合。

Earthquake response analysis of a cable-stayed bridge

In this paper, in situ destruction of a cable-stayed bridge in the earthquake is introduced and the reasons that ground movement in the earthquake cannot be illuminated are interpreted by a non-linear model simulation. Because the bridge is lack of equipment measure, an imaginary record which is used to model simulation for the bridge is produced according to the data of strong movement and earthquake pulse. As a result, structure transformation of the bridge under simulation is consistent with the actual destruction.