小比例尺隔震结构模型双向振动台试验

Shaking table test for isolated structure model with small scale under earquake wave input in two directions

为分析多高层建筑采用铅芯橡胶垫进行隔震后的结构减震效果,试验对一1:16小比例尺隔震结构模型进行了水平和竖向两向输入地震波的振动台试验;试验中地震波输入和模型结构尺寸采用统一试验相似比设计,以尽可能反应真实隔震结构的动力特性。对模型结构上部加速度和层间位移试验数据进行分析,数据显示隔震结构模型无论加速度还是层间位移反应都得到减小,因此证明该隔震技术对高层建筑同样有较好的减震效果。

For analyzing shaking table of isolated ducted. Ratio similitude reduction vibration effect of high - rise isolated structure with LRB, experimental research on structure model on a scale down of 1：16 in two -direction earthquake wave input been condesign of model and earthquake wave input was unified for reflection dynamical characteristic of actual structure. Earthquake responses of isolated top structure acceleration and interblended displacement been analyzed. Experimental result indicts that isolated top structure acceleration and interblended displacement were reduced. Therefore the isolation technology for high -rise structure also has good reduction vibration effect.