河北文安5.1级地震首都圈实时强震动台网加速度记录分析
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摘要
通过分析首都圈实时强震动台网对文安5.1级地震的强震动记录及其加速度等值线图的对比,结果表明:(1)仪器记录峰值加速度衰减特性可以反映地震宏观特征;(2)仪器记录峰值加速度衰减关系可以作为基岩水平理论衰减关系峰值加速度的一种标定方法;(3)这次地震为我们今后进行强震动观测提供了重要的经验启示及改进方向。
This article has processed the acceleration records of the earthquake which occurred in Wen'an county recorded by the capital real-time strong motion network,and has drawn up three component record peak value acceleration isogram and the bedrock horizontal theory attenuation peak value acceleration isogram,through the analysis of the earthquake record and four acceleration isogram contrastive analysis.The result indicated:(1)the characteristic of the instrument record peak value acceleration attenuation may reflect the earthquake macroscopic characteristic;(2)the instrument record peak value acceleration attenuation may be one method of calibrating the bedrock horizontal theory attenuation peak value acceleration;(3)this earthquake will carry on the strong motion observation for us to provide the important experience from now on to inspire and to improve the direction of strong motion observation development.
This article has processed the acceleration records of the earthquake which occurred in Wen'an county recorded by the capital real-time strong motion network,and has drawn up three component record peak value acceleration isogram and the bedrock horizontal theory attenuation peak value acceleration isogram,through the analysis of the earthquake record and four acceleration isogram contrastive analysis.The result indicated:(1)the characteristic of the instrument record peak value acceleration attenuation may reflect the earthquake macroscopic characteristic;(2)the instrument record peak value acceleration attenuation may be one method of calibrating the bedrock horizontal theory attenuation peak value acceleration;(3)this earthquake will carry on the strong motion observation for us to provide the important experience from now on to inspire and to improve the direction of strong motion observation development.
引文
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Wu Y M,Shin T C,Chang C H.2001.Near Real-Time Mapping ofPeak Ground Acceleration and Peak Ground Velocity Following aStrong Earthquake[J].BSSA,91(5):1218-1228.
崔建文,李正光,赵云旭.2007.2007年宁洱6.4级地震强震动观测记录[J].地震研究,30(4):384-388.
陈彧,崔建文,刘学军.2006.昆明地震动强度(烈度)观测台场地动力特征研究[J].地震研究,29(3):251-255.
李山有,金星,刘启方,等.2003.中国强震动观测展望[J].地震工程与工程振动,23(2):1-7.
刘英利,徐建新.2006.强震与微震观测系统的研究[J].地震工程与工程振动,26(3):264-266.
王国权,周锡元.2004.921台湾集集地震近断层强震记录的基线校正[J].地震地质,26(1):
谢礼立.1989.龙陵地震强震记录常规处理报告[R]//国家地震局工程力学研究所.中国强震记录汇报(第三集).北京:地震出版社.
俞言祥.2002.长周期地震动衰减关系研究[D].北京:中国地震局地球物理研究所.
周雍年.2006.中国大陆的强震动观测[J].国际地震动态,(11):1-6.
Erdik M,Fahjan Y,Ozel O,et al.2003.Istanbul Earthquake RapidResponse and the Early Warning System[J].Bull of EarthquakeEngineering,1(1):157-163.
GB/T17742-1999,中国地震烈度表[S].
Wu Y M,Shin T C,Chang C H.2001.Near Real-Time Mapping ofPeak Ground Acceleration and Peak Ground Velocity Following aStrong Earthquake[J].BSSA,91(5):1218-1228.
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