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Engineering characteristics of near-fault vertical ground motions and their effect on the seismic response of bridges 被引量：3

Engineering characteristics of near-fault vertical ground motions and their effect on the seismic response of bridges
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摘要 A wide variety of near-fault strong ground motion records were collected from various tectonic environments worldwide and were used to study the peak value ratio and response spectrum ratio of the vertical to horizontal component of ground motion, focusing on the effect of earthquake magnitude, site conditions, pulse duration, and statistical component. The results show that both the peak value ratio and response spectrum ratio are larger than the 2/3 value prescribed in existing seismic codes, and the relationship between the vertical and horizontal ground motions is comparatively intricate. In addition, the effect of the near-fault ground motions on bridge performance is analyzed, considering both the material nonlinear characteristics and the P-A effect. A wide variety of near-fault strong ground motion records were collected from various tectonic environments worldwide and were used to study the peak value ratio and response spectrum ratio of the vertical to horizontal component of ground motion, focusing on the effect of earthquake magnitude, site conditions, pulse duration, and statistical component. The results show that both the peak value ratio and response spectrum ratio are larger than the 2/3 value prescribed in existing seismic codes, and the relationship between the vertical and horizontal ground motions is comparatively intricate. In addition, the effect of the near-fault ground motions on bridge performance is analyzed, considering both the material nonlinear characteristics and the P-A effect.
作者 李新乐 窦慧娟 朱晞
机构地区 College of Architecture and Civil Engineering College of Architecture and Civil Engineering
出处 《Earthquake Engineering and Engineering Vibration》 SCIE EI CSCD 2007年第4期345-350,共6页 地震工程与工程振动（英文刊）
基金 National Natural Science Foundation of China Under Grant No.50278002 Dalian Nationalities University PHD Foundation Under Grant No.20066104
关键词 near-fault vertical ground motion peak value ratio spectrum ratio BRIDGE seismic response near-fault vertical ground motion peak value ratio spectrum ratio bridge seismic response
分类号 P315.9 [天文地球—地震学]
  • 相关文献

参考文献14

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二级参考文献9

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共引文献97

同被引文献25

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  • 3周锡元,徐平,王国权,闫维明.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. 被引量：18
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引证文献3

二级引证文献21

Earthquake Engineering and Engineering Vibration
2007年 第4期

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