颗粒阻尼应用在建筑上试验初探

分析了颗粒阻尼技术应用于建筑结构可能性,并指出了颗粒阻尼在建筑物上应用的具体位置和安装方式;通过单层和多层钢框架模型的振动台试验,探讨了砂子、钢珠等材料作为建筑结构颗粒阻尼材料的减振性能和减振效果。实验表明:粗砂作为建筑结构的颗粒阻尼材料,可以提供较大的等效阻尼比,能够明显减轻结构的大震反应。

Preliminary Experiment of NOPD Applied in Structure

The application possibility of NOPD（None Obstructive Particle Damping） in structure is studied; specific apply- ing location and installation methods are pointed out. By mean of Monolayer and multilayer steel frame model shaking table test, the control effects and damping mechanism of NOPD （Sand and Steel ball） are primarily studied. The results show coarse sand can be used in building to reduce its vibration response, and it has good damping effect under large earthquake.