徐扬. 潜在震源区震级上限对基岩加速度反应谱特征周期的影响[J]. 华北地震科学, 2000, 18(2): 45-49.
引用本文: 徐扬. 潜在震源区震级上限对基岩加速度反应谱特征周期的影响[J]. 华北地震科学, 2000, 18(2): 45-49.
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Xu Yang. THE EFFECT OF THE UPPERLIMIT FOR EARTHQUAKE MAGNITUDE IN POTENTIAL HYPOCENTER AREA TO THE CHARACTERISTIC PERIOD OF BEDROCK ACCELERATION'S RESPONSE SPECTRUM[J]. North China Earthquake Sciences, 2000, 18(2): 45-49.
Citation: Xu Yang. THE EFFECT OF THE UPPERLIMIT FOR EARTHQUAKE MAGNITUDE IN POTENTIAL HYPOCENTER AREA TO THE CHARACTERISTIC PERIOD OF BEDROCK ACCELERATION'S RESPONSE SPECTRUM[J]. North China Earthquake Sciences, 2000, 18(2): 45-49.
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潜在震源区震级上限对基岩加速度反应谱特征周期的影响

THE EFFECT OF THE UPPERLIMIT FOR EARTHQUAKE MAGNITUDE IN POTENTIAL HYPOCENTER AREA TO THE CHARACTERISTIC PERIOD OF BEDROCK ACCELERATION'S RESPONSE SPECTRUM

    摘要
  • 摘要: 地震学理论和强震观测都表明,强震反应谱的形状主要取决于震级、震中距和场地条件。由于我国现行的各种行业建筑物抗震设计规范中对标准加速度反应谱特征周期Tg作出的规定中一般只考虑场地和震中距的影响或只考虑场地影响,因此在某些情况下,由规范所得到的反应谱特征周期与由专门的地震危险性分析所得到的结果相差较大。本文通过理论分析和实际的算例,讨论了潜在震源区震级上限对基岩加速度反应谱特征周期的影响。所得到的结论是:潜在震源区震级上限越大,则反应谱特征周期 Tg越大。

     

    Abstract: Both seismological theory and macroseismic observation show that the shape of strong motion response spectrum depends mainly on magnitude,distance of epicenter and engineering site condition.since it is considered just the effect of engineering site condition and epicenter distance of only site condition to determine the characteristic period of acceleration response spectrum (Tg) in the antiseismic design criterion of our country at present,the characteristic period of response spectrum determined from those critetion is different from that got from special seismic hazard analysis.The effect of magnitude's upper limit in potential source region to Tg is discussed in this paper.The conclusion is that the higher of the upper limit,the bigger of the Tg.

     

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