某运动中心TMD楼面减振系统实测分析  

Measurement analysis of TMD roof vibration damping system in a motion center

作　　者：方国威 巫振弘 潘宠平 高杰 肖从真 许亚楼 王磊 韩雪 魏越 Fang Guowei;Wu Zhenhong;Pan Chongping;Gao Jie;Xiao Congzhen;Xu Yalou;Wang Lei;Han Xue;Wei Yue(National Enginering Research Center of Building Technology,Beijing 100013,China;China Academy of Building Research,Bejing 100013,China)

机构地区：[1]国家建筑工程技术研究中心,北京100013 [2]中国建筑科学研究院有限公司,北京100013

出　　处：《建筑科学》2022年第7期17-24,共8页Building Science

基　　金：中国建筑科学研究院青年基金“人群荷载作用下开敞空间大跨楼盖的振动控制研究”。

摘　　要：大跨度结构的舒适度问题常成为该类型结构的设计制约条件,通常规范规定楼盖的竖向振动不宜小于3Hz,在频率过低时应当进行振动加速度验算。为解决舒适度而加大构件截面尺寸往往由于自重的增加进一步导致频率提高不显著。在楼面增加调谐质量阻尼减振系统(TMD)能够有效减小楼面振动响应,提高室内人员舒适感,是实现舒适的另一有效途径。本文对采用TMD进行振动控制的某运动中心进行了冲击荷载下原地踏步、原地跳跃和随机走动等同工况下的现场实测和结果分析,以峰值加速度、加速度均方值和振级作为舒适度评价的三个标准。结果表明:TMD可以有效控制楼面振动;三种评价标准下,现场实测结果均满足舒适度要求。The comfort of long-span structures often becomes the design constraint of this type of structures. Generally, a lot of codes stipulates that the vertical vibration of the floor should not be less than 3 Hz, and the vibration acceleration should be checked when the frequency is too low. In order to solve the problem of comfort, increasing the section size of components often leads to no significant increase in frequency due to the increase of self weight. Adding tuned mass damper(TMD) on the floor can effectively reduce the vibration response of the roof and improve the comfort of indoor personnel. It is another effective way to achieve comfort. The field measurement and result analysis on a motion center are conducted with TMD for vibration control under impact load, standing still, jumping in place and random walking. Three criterias for comfort evaluation are peak acceleration, mean square value of acceleration and vibration level. The results show that TMD can effectively control floor vibration;Under the three evaluation criterias, the field measured results meet the comfort requirements.

关 键 词：调谐质量阻尼器 工程应用 楼面振动控制 现场测试 

分 类 号：TU352.1[建筑科学—结构工程]