[1]刘泉,李继龙,陶冬旺,等.MEMS地震烈度仪在结构地震反应观测中的应用[J].世界地震工程,2023,39(01):181-188.[doi:10.19994/j.cnki.WEE.2023.0020]
　LIU Quan,LI Jilong,TAO Dongwang,et al.Application of MEMS seismic intensity instrument in structural seismic response observation[J].,2023,39(01):181-188.[doi:10.19994/j.cnki.WEE.2023.0020]
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MEMS地震烈度仪在结构地震反应观测中的应用
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《世界地震工程》[ISSN:/CN:]

卷:
39
期数:
2023年01期
页码:
181-188
栏目:
常规论文
出版日期:
2023-02-15

文章信息/Info

Title:
Application of MEMS seismic intensity instrument in structural seismic response observation
文章编号:
1007-6069(2023)01-0181-08
作者:
刘泉1; 2; 李继龙1; 2; 陶冬旺1; 2; 马强1; 2; 解全才1; 2; 杨剑1; 2
1.中国地震局工程力学研究所地震工程与工程振动重点实验室,黑龙江哈尔滨150080;2.地震灾害防治应急管理部重点实验室,黑龙江哈尔滨150080
Author(s):
LIU Quan1; 2;  LI Jilong1; 2;  TAO Dongwang1; 2;  MA Qiang1; 2;  XIE Quancai1; 2;  YANG Jian1; 2
1. Key Laboratory of Earthquake Engineering and Engineering Vibration, Institute of Engineering Mechanics, China Earthquake Administration, )/(Harbin 150080, China; 2. Key Laboratory of Earthquake Disaster Mitigation, Ministry of Emergency Management, Harbin 150080, China
关键词:
云南漾濞地震;  结构地震反应观测;  地震烈度仪;  标准振动台
Keywords:
Yunnan Yangbi earthquakes;  structural seismic response observation;  seismic intensity instrument;  standard shaking table
分类号:
TU3
DOI:
10.19994/j.cnki.WEE.2023.0020
文献标志码:
A
摘要:
工程结构地震反应观测台阵获取常时和震时结构反应记录,是工程结构健康诊断和震害评估的重要技术手段之一。2019年,云南大理建设了一个由8个地震烈度仪测点组成的结构地震反应观测台阵,每台烈度仪内置一个3分向微电子机械系统(Micro-Electro-Mechanical System,MEMS)加速度计。通过标准振动台检测,确定台阵配备的烈度仪的幅频响应特性曲线和线性度误差符合相关行业标准的要求。该台阵于2021年5月获得了大理漾濞地震序列的多次结构地震反应记录,本文选取其中3次MS3.0～MS3.2级地震,分析了观测记录的加速度时程、傅里叶幅值谱和信噪比等数据,由结果可知:该台阵可较好地记录幅值≥0.5 cm/s2、频带1.0～39.0Hz的振动信号,对于近场小震具有一定的监测能力。
Abstract:
The seismic response observation array of engineering structures, obtaining the structural response records at regular time and during the earthquake, is one of the important technical means for the health diagnosis and earthquake damage assessment of engineering structures. In 2019, a structural seismic response observation array was built in Dali, Yunnan, consisting of 8 seismic intensity instruments measuring points, with 3 components built-in Micro-Electro-Mechanical System(MEMS)accelerometers. The detection of intensity meter based on standard shaking table test shows that the frequency amplitude response curve and the linearity error were qualified. The array obtained multiple structural seismic response records in the Dali Yangbi earthquake sequence in May 2021. In this paper, for the three earthquakes with a magnitude of MS3.0-MS3.2, the acceleration time histories, Fourier amplitude spectra and signal-to-noise ratios of the observation records were analyzed. According to the analysis results, the array can be used to record the vibration signals of small earthquakes in near field with amplitude above 0.5 cm/s2 and frequency band 1.0-39.0 Hz.

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相似文献/References:

[1]陶冬旺,刘泉,马强,等.云南漾濞地震大理某高层建筑结构地震响应观测数据初步分析[J].世界地震工程,2021,(03):019.
　TAO Dongwang,LIU Quan,MA Qiang,et al.Preliminary analysis of structural seismic response of a tall building in Dali recorded in Yunnan Yangbi earthquakes[J].,2021,(01):019.

备注/Memo

备注/Memo:
收稿日期:2022-05-16; 修回日期:2022-06-21
基金项目:中国地震局工程力学研究所基本科研业务专项基金(2021B08,2016A03,2019C02)
作者简介:刘泉(1981 —),男,学士,助理研究员,主要从事强震动观测应用研究.E-mail:7676196@qq.com
通讯作者:马强(1979 —),男,博士,研究员,博士生导师,主要从事强震动观测和地震工程研究.E-mail:maqiang@iem.ac.cn
更新日期/Last Update: 1900-01-01