多层简单框架结构振动台模型设计

PDF(974 KB)

振动与冲击 ›› 2013, Vol. 32 ›› Issue (15) : 100-105.

论文

多层简单框架结构振动台模型设计

何志坚1，王社良2

作者信息 +

Shaking table model design of multilayer simple frame structure

HE Zhi-jian1 WANG She-liang2

Author information +

文章历史 +

摘要

考虑振动台的性能参数和振动台试验的可操作性，运用一致相似率，进行一基础滑移隔震五层钢筋混凝土框架结构和屋面附加层的模型设计。采用双层底盘设计，制作模型配筋面积等效，添置尽量多的人工质量。分别采用人工质量模型、忽略重力模型、欠人工质量模型三种方式计算。研究结果表明：配重块的设置是合理的，欠人工质量模型的设计是适当可行的，能降低模型的重力失真效应，把加速度放大系数控制到合理的范围之内，减小噪声影响和试验误差。

Abstract

Considering the performance parameters of the shaking table and the operability of the shaking table test, then adopting the general similitude law, a sliding base isolation five-story reinforced concrete frame structure and roof of the additional layer model was designed. A double deck chassis design was adopted. Model reinforcement area was made equivalent. As much as artificial quality was purchased. Three methods were used to calculate the model including the artificial mass law, the gravity forces-neglecting law and not enough artificial mass law. The results of the study show that: the weight set is reasonable. The not enough artificial mass law is appropriate and feasible. It can reduce the gravitational distortion effect of the model and control the acceleration amplification factor within reasonable limits, to reduce the noise influence and experimental error.

导出引用

何志坚;王社良. 多层简单框架结构振动台模型设计[J]. 振动与冲击, 2013, 32(15): 100-105

HE Zhi-jian WANG She-liang . Shaking table model design of multilayer simple frame structure [J]. Journal of Vibration and Shock, 2013, 32(15): 100-105