振动激励下地铁沿线建筑物振动测试与数值分析

凌育洪 皇甫婵媛 吴景壮 陈庆军

doi:10.3969/j.issn.1000-565X.2015.02.006

华南理工大学学报(自然科学版) >

2015 , Vol. 43 >Issue 2: 33 - 40

DOI: https://doi.org/10.3969/j.issn.1000-565X.2015.02.006

土木建筑工程

振动激励下地铁沿线建筑物振动测试与数值分析

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1．华南理工大学建筑设计研究院，广东广州 510640; 2．华南理工大学土木与交通学院∥亚热带建筑科学国家重点实验室，广东广州 510640

凌育洪(1969-)，男，博士，教授级高工，主要从事高层建筑结构研究． E-mail: yhling@ scut． edu． cn

收稿日期: 2014-06-30

修回日期: 2014-10-09

网络出版日期: 2014-12-31

基金资助

亚热带建筑科学国家重点实验室资助项目(2014KB28，2013ZC19);华南理工大学中央高校基本科研业务费专项资金资助(2014ZZ0026)

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Test and Numerical Analysis of Subway-Induced Vibrations of Metro-Line Nearby Buildings

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1． Architectural Design Ｒesearch Institute，South China University of Technology，Guangzhou 510640，Guangdong，China; 2． School of Civil and Transportation Engineering，South China University of Technology，Guangzhou 510640，Guangdong，China; 3． State Key Laboratory of Subtropical Building Science，South China University of Technology，Guangzhou 510640，Guangdong，China

凌育洪(1969-)，男，博士，教授级高工，主要从事高层建筑结构研究． E-mail: yhling@ scut． edu． cn

Received date: 2014-06-30

Revised date: 2014-10-09

Online published: 2014-12-31

Supported by

Supported by the State Key Laboratory of Subtropical Building Science，South China University of Technology(2014KB28，2013ZC19)

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摘要

对广州地铁三号线沿线临近建筑物的振动响应进行了实测，并结合数值计算研究了地铁振动在建筑结构内的传播规律．研究结果表明:在框架结构中，随着建筑物高度的增加，振动峰值逐渐减小;地铁振动在建筑物内引起的振动时程的频率集中在 30 ～80Hz频段内，以30 ～50Hz 频段为主;结构内部构件柱的振动衰减要比周边构件更加显著，柱上的梁越多，能量的损耗就越大;地铁振动引起的加速度值有可能对建筑物中使用人群的舒适度造成影响．

关键词： 地铁振动; 建筑结构; 振动响应

本文引用格式

凌育洪皇甫婵媛吴景壮陈庆军 . 振动激励下地铁沿线建筑物振动测试与数值分析[J]. 华南理工大学学报(自然科学版), 2015 , 43(2) : 33 -40 . DOI: 10.3969/j.issn.1000-565X.2015.02.006

Abstract

The subway-induced vibration response of the nearby buildings along Guangzhou Metro Line 3 was inves-tigated via site measurement，and the vibration propagation in buildings was numerically analyzed． The results show that (1) in frame structures，the vibration peak decreases with the increase of building height; (2) the subway-in-duced vibration frequency varies from 30 to 80Hz，mainly in the range of 30 ～50Hz; (3) the vibration reduction of the internal structure column is more significant than that of surrounding columns; (4) more beams on the column may result in greater energy loss; and (5) the acceleration caused by subway vibration may have an impact on the comfort level of people in buildings．

Key words： subway vibration; building structure; vibration response

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