Abstract： The vibration period is one of main factors of earthquake action for frame structures in seismic design. The presence of infill walls can significantly reduce the natural period of vibration, which is considered by codes of many countries as well as China. And these countries do not consider the layout of infill walls. In order to verify it, this paper summarizes the computational codes of natural period of vibration both at home and abroad and also compares the computational and the measured values of the fundamental periods of vibration of two frames, one has infill walls while the other without them. It could be found that the result considering the layout of infill walls is more reasonable. Then the influence of infill walls on vibration period has been studied using finite element dynamic analysis whose validity is verified through the compartment between measured and analytical values. In the end reasonable comments on computation of natural period of vibration are put forward for the revision of China codes.
阎红霞;; 杨庆山; 秦敬伟; 李明. 各国规范中RC框架自振周期的对比和探讨[J]. , 2012, 31(11): 108-113.
Yan Hong-xia;; Yang Qing-shan; Qin Jing-wei; Li Ming. Comparison and evaluation about vibration periods of RC frames in codes of some countries. , 2012, 31(11): 108-113.
2012, Vol. 31 
