[1]钱亮,解全才,马强,等.2021年5月21日云南漾濞6.4级地震强震动记录特征分析[J].世界地震工程,2021,(04):091-99.
 QIAN Liang,XIE Quancai,MA Qiang,et al.Characteristics of strong motion records of Yunnan Yangbi M6.4 earthquake on May 21,2021[J].,2021,(04):091-99.
点击复制

2021年5月21日云南漾濞6.4级地震强震动记录特征分析
分享到:

《世界地震工程》[ISSN:/CN:]

卷:
期数:
2021年04期
页码:
091-99
栏目:
出版日期:
2021-11-06

文章信息/Info

Title:
Characteristics of strong motion records of Yunnan Yangbi M6.4 earthquake on May 21,2021
作者:
钱亮12 解全才1 马强1 李继龙1
1. 中国地震局工程力学研究所, 中国地震局地震工程与工程振动重点实验室, 黑龙江 哈尔滨 150080;
2. 中国科学技术大学 地球和空间科学学院, 合肥 230026
Author(s):
QIAN Liang12 XIE Quancai1 MA Qiang1 LI Jilong1
1. Key Laboratory of Earthquake Engineering and Engineering Vibration, Institute of Engineering Mechanics, China Earthquake Administration, Harbin 150080, China;
2. School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, China
关键词:
漾濞地震强震动记录仪器地震烈度衰减关系反应谱持时
Keywords:
Yangbi earthquakestrong motion recordsinstrument seismic intensityattenuation relationshipresponse spectrumduration
分类号:
P315.92
摘要:
对2021年5月21日云南漾濞6.4级地震获取的28组84条强震动记录进行零线调整和滤波等常规处理,分析了此次地震记录的幅值、频谱以及持时特征。分析结果表明,此次地震峰值加速度范围为0.8~720.3 cm/s2,峰值速度范围为0.1~29.4 cm/s,计算最大仪器地震烈度为8.3度。将实际观测数据与YU2013分区地震动衰减关系对比,结果显示PGA总体上分布于衰减公式误差范围内,预测效果良好。在远场(>250 km)较多台站的PGV观测值大于预测值中位值的加一倍标准差。幅值较大2个台站的加速度反应谱峰值周期均在0.5s以内,其中漾濞台在高频部分三分向加速度反应谱值均超过8度罕遇地震的设计反应谱值。最后计算了5%~75%和5%~95%两种重要持时,结果整体上符合随震中距增大而增大的规律。将两种能量持时结果与BOOMER等(2009)[12]以及TRIFUNAC等(1975)[13]的持时预测方程对比,结果较为一致。
Abstract:
The strong motion data from Yangbi earthquake of May, 21, 2021 were collected and processed. The amplitude characteristics, response spectrum and significantdurationwere analyzed. The PGA varies from 0.8 to 720.3 cm/s2 and the PGV varies from 0.1 to 29.4 cm/s.The maximum instrumental seismic intensity is 8.3 in China seismic intensity scale. We compared the observed PGA and PGV with the Chinese attenuation relationships used in the seismic ground motion parameter zone map. It shows that the observed PGA consist well the GMPE. The observed PGV in far field(>250 km)is greater than the predicted value. The peak period of acceleration response spectrum of 51YBX and 51DLY is smaller than 0.5s. The short period part of the response spectra of 51YBX islarger than the 8-degree seismic design response spectrum under rare earthquakes. The 5%-75% significant duration and 5%-95% significant duration were calculated; The significant duration grows with the distance. The observed 5%-75% significant duration and 5%-95% significant duration consists well with significant duration prediction equations.

参考文献/References:

[1] 云南大理州漾濞县6.4级地震[EB/OL]. https://news.ceic.ac.cn/CC20210521214835.html, 2021.(in Chinese)
[2] 于海英, 江汶乡, 解全才, 等. 近场数字强震仪记录误差分析与基线校正方法[J].地震工程与工程振动. 2009, 29(6):1-12.YU Haiying, JIANG Wenxiang, XIE Quancai, et al. The error analysis and baseline correction method of near-field digital record[J]. Earthquake Engineeing and Engineering Dynamics.2009, 29(6):1-12. (in Chinese)
[3] 解全才, 马强, 王丽艳, 张景发.2017年九寨沟7.0级地震强震动记录处理与分析[J].地震工程与工程振动, 2018, 38(5):111-119.XIE Quancai, MA Qiang, WANG Liyan, ZHANG Jingfa. Data processing and analysis of strong ground motion records of the 2017Ms7.0 Jiuzhaigou earthquake[J].Earthquake Engineering and Engineering Dynamics.2018, 38(5):111-119. (in Chinese)
[4] 俞言祥, 李山有, 肖亮. 为新区划图编制所建立的地震动衰减关系[J]. 震灾防御技术, 2013, 8(1):24-33.YU Yanxiang, LI Shanyou, XIAO Liang. Development of ground motion attenuation relations for the new seismic Hazard map of China[J]. Technology for Earthquake Disaster Prevention, 2013, 8(1):24-33. (in Chinese)
[5] GB/T 17742-2020, 中国地震烈度表[S].国家市场监督管理总局;国家标准化管理委员会, 2020-07-21GB/T 17742-2020, The Chinese Seismic Intensity Scale[S]. State Administration for Market Regulation; Standardization Administrationof China, 2020-07-21. (in Chinese)
[6] 云南漾濞6.4级地震烈度图发布[EB/OL]. https://www.cea.gov.cn/cea/xwzx/fzjzyw/index.html, 2021.(in Chinese)
[7] 中华人民共和国住房和城乡建设部.建筑抗震设计规范(GB50011-2010)[S]. 北京:中国建筑工业出版社, 2010. Ministry of Housing and Urban-Rural Construction of the People’s Republic of China (MHURC). Code for seismic design for buildings (GB 500112010)[S].Beijing:China Building Industry Press, 2010. (in Chinese)
[8] 任叶飞, 温瑞智, 周宝峰, 黄旭涛.2013年4月20日四川芦山地震强地面运动三要素特征分析[J].地球物理学报, 2014, 57(6):1836-1846.REN Yefei, WEN Ruizhi, ZHOU Baofeng, HUANG Xutao.The characteristics of strong ground motion of Lushan Earthquake on April 20, 2013[J].Chinese Journal of Geophysics, 2014, 57(6):1836-1846.(in Chinese)
[9] 宋晋东, 白琳娟, 李山有, 等.2017年3月27日云南漾濞5.1级地震强震动记录特征初步分析[J].地震工程与工程振动, 2017, 37(2):197-204.SONG Jindong, BAI Linjuan, LI Shanyou, et al. The characteristics of strong motion records of Yunnan Yangbi Ms 5.1 Earthquake on March 27, 2017[J]. Earthquake Engineering and Engineering Dynamics, 2017, 37(2):197-204.(in Chinese)
[10] 李昆, 周煜, 陶思宇, 等.云南漾濞6.4级地震公共建筑的震害特征[J].世界地震工程, 2021, 37(3):1-8.LI Kun, ZHOU Yu, TAO Siyu, et al.Seismic damage to public buildings in the M6.4 Yangbi earthquake in Yunnan[J]. World Earthquake Engineering, 2021, 37(3):1-8.(in Chinese)
[11] ARIAS A.A measure of Earthquake Intensity[M]//HANSEN R J, ed. Seismic Design for Nuclear Power Plants. Cambridge, MA:Massachusetts Institute of Technology Press, 438-483, 1970.
[12] BOMMER J J, STAFFORD P J, ALARCON J E. Empirical equations for the prediction of the significant, bracketed, and uniform duration of earthquake ground motion[J].Bulletin of the Seismological Society of America.2009, 99(6):3217-3233.
[13] TRIFUNAC M D, BRADY A G. A study on the duration of strong earhquake ground motion[J].Bulletin of the Seismological Society of America.1975, 65(3):581-626.
[14] 解全才, 马强, 张景发. 2016年日本熊本Mw7.0地震强震动记录特征分析[J]. 地震研究. 2020, 43(1):125-133.XIE Quancai, MA Qiang, ZHANG Jingfa. Characteristics of strong motion records of the 2016 Mw7.0 Kumamoto earthquake, Japan[J].Journal of Seismological Research.2020, 43(1):125-133.(in Chinese)

相似文献/References:

[1]李琳,温瑞智,冀昆.强震动记录选取的目标谱确定方法[J].世界地震工程,2016,(01):188.
 LI Lin,WEN Ruizhi,JI Kun.Method for determination of target spectrum by selecting strong motion records[J].,2016,(04):188.
[2]杨黎薇,邱志刚.自动捡拾P波到时综合方法的选取与探讨[J].世界地震工程,2021,(02):098.
 YANG Liwei,QIU Zhigang.Discussion on the synthetic method of automatically picking up of P wave[J].,2021,(04):098.
[3]朱景宝,何斌,李山有,等.2021年5月21日云南漾濞地震及5月22日青海玛多地震的支持向量机震级估算[J].世界地震工程,2021,(03):065.
 ZHU Jingbao,HE Bin,LI Shanyou,et al.Magnitude estimation via support vector machine for the earthquakes occur in Yangbi, Yunnan on May 21, 2021 and in Maduo, Qinghai on May 22, 2021[J].,2021,(04):065.
[4]杜轲,高嘉伟,温卫平,等.漾濞6.4级地震穿斗木房屋震害特征及其原因简析[J].世界地震工程,2021,(04):038.
 DU Ke,GAO Jiawei,WEN Weiping,et al.Brief analysis of the characteristics and causes of the earthquake damage of the Chuandou-type timber frames in the M6.4 Yangbi earthquake[J].,2021,(04):038.
[5]高永武,高杰,王东明.云南漾濞6.4级地震木构架房屋震害调查与分析[J].世界地震工程,2021,(04):046.
 GAO Yongwu,GAO Jie,WANG Dongming.Investigation and analysis of seismic damage of timber framed dwelling in Yunnan Yangbi M6.4 earthquake[J].,2021,(04):046.
[6]郭丽娜,刘金龙,温卫平,等.云南漾濞6.4级地震建筑结构震害特征调查分析[J].世界地震工程,2021,(04):064.
 GUO Lina,LIU Jinlong,WEN Weiping,et al.Investigation and analysis on seismic damage characteristics of building structures in Yangbi M6.4 earthquake in Yunnan province[J].,2021,(04):064.
[7]杨黎薇,崔建文,张天继,等.2021年云南漾濞6.4级地震近场强震动特性分析[J].世界地震工程,2021,(04):081.
 YANG Liwei,CUI Jianwen,ZHANG Tianji,et al.Analysis of near-field strong motion characteristics of the Yangbi M6.4 earthquake in Yunnan province in 2021[J].,2021,(04):081.

备注/Memo

备注/Memo:
收稿日期:2021-08-16;改回日期:2021-09-01。
基金项目:中国地震局工程力学研究所基本科研业务费专项资助项目(编号:2019C02)
作者简介:钱亮(1993-),男,实习研究员,硕士研究生,主要从事强震动观测应用研究.E-mail:qianliang@iem.ac.cn
更新日期/Last Update: 1900-01-01