首页> 美国政府科技报告 >State-of-the-Art for Assessing Earthquake Hazards in the United States. Report 8. Duration,Spectral Content,and Predominant Period of Strong Motion Earthquake Records from Western United States.

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State-of-the-Art for Assessing Earthquake Hazards in the United States. Report 8. Duration,Spectral Content,and Predominant Period of Strong Motion Earthquake Records from Western United States.

机译：评估美国地震灾害的最新技术。报告8.来自美国西部的强震地震记录的持续时间，频谱内容和主要时期。

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The purposes of this investigation were principally to assess the duration and spectral content of strong-earthquake accelerograms and, indirectly, to consider their applicability in earthquake design. Correlations of duration with MM intensity for the near and far fields and for Richter magnitude have been obtained. Difference in durations for soil and rock sites was determined. A set of relations between the duration and distance for soil and rock sites was established from records of the San Fernando Earthquake of 9 February 1971 (magnitude of 6.5). Values for other magnitudes were extrapolated. Duration is taken to be the time interval between the first and last peaks of acceleration equal to or greater than 0.05 g. The spectral content in the range of 0.1-10 Hz for strong-motion records in western United States for acceleration level equal to or greater than 0.05 g processed with the modified Nigam and Jennings' response spectra computer programs.

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作者
chang,frank k. krinitzsky,ellis l.;
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年度 1977
页码 1-87
总页数 87
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Earthquakes; Hazards; State of the art; Ground motion; Earthquake engineering; Measurement; Earthquake resistant structures; Western Region(United States);

机译：地震;危害;最新技术;地面运动;地震工程;测量;抗震结构;西部地区（美国）;

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State-of-the-Art for Assessing Earthquake Hazards in the United States. Report 8. Duration,Spectral Content,and Predominant Period of Strong Motion Earthquake Records from Western United States.

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