全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

竖向与水平向地震动加速度反应谱比特性分析

, PP. 8-14

Keywords: 加速度反应谱,竖向地震动,场地条件,震源机制

Full-Text   Cite this paper   Add to My Lib

Abstract:

本文采用全球范围128次地震的3235组三分量强地面运动记录,分析了其加速度竖向分量反应谱与水平分量反应谱的比值(V/H)的总体特征,研究了V/H随震级、震中距、局部场地条件和震源机制的变化关系.研究结果表明(1)场地越硬,长周期段V/H越大,短周期段则相反;(2)震级越大,长周期段V/H越大,短周期段变化不明显;(3)短周期段V/H随震中距增大而减小;(4)对于大震(M>7),长周期段V/H随震中距增大而减小;而对于中强震(M<7),比值在近场(R<60km)随震中距增加而增大,在远场则随震中距增加而减小;(5)V/H与震源机制也有一定的关系.

References

[1]  周正华,周雍年,赵刚.强震近场加速度峰值比和反应谱统计分析[J].地震工程与工程振动,2002,22(3):15-18.
[2]  石树中,沈建文,楼梦加速度反应谱竖向分量与水平分量的比值[J].地震工程与工程振动,2004,24(5):33-38.
[3]  周正华,周雍年,卢滔,等.竖向地震动特征研究[J].地震工程与工程振动,2003,23(3):25-29.
[4]  耿淑伟,陶夏新.地震动等.1999年台湾集集地震近断层竖向与水平反应谱比值的研究[J].地震地质,2006,28(3):325-335.
[5]  周锡元,徐平,王国权,麟.基岩场地强地面运动加速度反应谱统计特征[J].同济大学学报,2002,30(11):1300-1304.
[6]  Atkinson G M,Cassidy F.Integrated use of seismograph and strong-motion data to determine soil am plification:Response of the Fraser River Delta to Duvall and Georgia Strait Earth quakes[J].Bullet in of the Seism dogical Society of America,2000,90(4):1028-1040.
[7]  郭明珠,毛志清,魏秀丽,等.伽师强震群地震动特点与震源机制关系的研究[J].地震工程与工程振动,2002,22(1):28-31.
[8]  李新乐,朱?.考虑场地和震源机制的近断层地震动衰减特性的研究[J].工程地质学报,2004,12(2):141-147.
[9]  贺秋梅,闫维明,董娣,等.震源机制和场地条件对近场强震地面运动特性的影响[J].地震研究,2006,29(3):256-263.
[10]  俞言祥,胡聿贤,潘华.地震震源机制对长周期地震动的影响研究[J].岩石力学与工程学报,2005,24(17):3113-3118.
[11]  董娣,桑向国,刘锐,等.震源机制对近场地震动反应谱的影响[J].西北地震学报,2008,30(1):6-10.
[12]  Papazoglou A J,E lnashai A S.Analytical and field evidence of the damaging effect of vertical earthquake ground motion[J].Earthquake Engineering and Structural Dynamics,1996,25(10):1109-1137.
[13]  Oh sakiC S.A nalyses of seismic ground motion parameters including vertical componen ts[C]//Proc.7W CEE,Istanbul:[s.n.],1980:269-276.
[14]  NiaziM,Bozorgnia Y M.Behavior of near source peak vertical and horizontal ground motion over SM ART-1 array,Taiwan[J].Bullet in of the Seismdogical Society of America,1991,85:715-732.
[15]  Bozorgnia Y M,NiaziM.Distance scaling of vertical and horizontal response spectra of the Loma Prieta Earth quake[J].Earthquake Engineering and Structural Dynamics,1993,22:695-707.
[16]  Bozorgn ia Y M,NiaziM.Characteristics of free vertical ground motion during the Northridge earthquake[J].Earthquake Spectra,1995,11:515-525.
[17]  Campbell K W.Em pirical near-source attenuation relation ships for horizontal and vertical components of peak ground acceleration,peak ground velocity and pseudo-ab solution response spectra[J].Seismological Research Letter,1997,68:154-179.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133