| 高层建筑高振型自振周期的统计结果 |
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| 引用本文： | 王广军.高层建筑高振型自振周期的统计结果[J].防灾减灾工程学报,1992(3). |
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| 作者姓名： | 王广军 |
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| 作者单位： | 中国建筑科学研究院工程抗震研究所 |
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| 摘 要： | 高层建筑的高振型自振周期值主要采用理论近似计算方法给出,其求解过程较为繁琐。利用高振型与基本振型周期比值来提供相互关系是一种简化的确定方法。本文根据自振周期实测、计算及强震观测资料的分析和对比,提供第二至第六振型与基本振型周期比值的一些统计结果,其在工程应用上有较为满意的效果。
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STATISTICAL ANALYSIS ON FREE PERIODS OFTALL BUILDINGS |
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| Abstract: | High mode is generally calculated by means of approximation theoretically, which is
however borne out tedious in practice. Using the ratio of the period in higher mode to that
in basic moae to describe the inter-relation appears to be simple and practicable. An exam-
ple regarding free periods is given in the paper, in which some statistical values of the ratios
of the periods in the 2-nd and the 6-th mode to that in basic mode are presented. The meth-
od turns out to be useful in engineering application. |
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