| 地脉动在十堰城区工程场地评价中的应用 |
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| 引用本文： | 崔敏,刘骏,高放,吴怡锐. 地脉动在十堰城区工程场地评价中的应用[J]. 十堰职业技术学院学报, 2014, 0(2): 104-106 |
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| 作者姓名： | 崔敏 刘骏 高放 吴怡锐 |
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| 作者单位： | [1]十堰市地震监测预报中心 [2]十堰郧县地震局 [3]十堰市防震减灾技术中心,湖北十堰442000 |
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| 摘 要： | 依据十堰市城区工程项目地震安全性评价工作中地脉动实测数据,以场地土动力特性和地脉动频谱结构为研究对象,对城区场地进行了地脉动的测试及频谱分析。并结合岩土工程勘察报告对工程场地的脉动频谱曲线进行了分类统计,结果表明地基土刚度变化与覆盖层厚度有关,卓越周期值的变化与场地地质条件相对应。为场地评价和工程抗震设计提供了依据。
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| 关 键 词： | 地脉动 卓越周期 地震 工程场地条件 |
Application of Micro - tremor in Engineering Site Evaluation of Shiyan Urban Area |
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| CUI Min,LIU Jun,GAO Fang,WU Yi-rui. Application of Micro - tremor in Engineering Site Evaluation of Shiyan Urban Area[J]. Journal of Shiyan Technical Institute, 2014, 0(2): 104-106 |
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| Authors: | CUI Min LIU Jun GAO Fang WU Yi-rui |
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| Affiliation: | 3 (1. Shiyan Earthquake Monitoring and Forecasting Center;2. Shiyan Yunxian Seismological Bureau ; 3. Shiyan Earthquake Prevention and Disaster Reduction Technology Center, Shiyan 442000, China) |
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| Abstract: | According to the measured data of the micro - tremor in the seismic safety evaluation of the engineering project in the urban area of Shiyan, the dissertation aims to study the dynamic properties of soil and the spectral structure of ground micro-tremor. By testing the micro-tremor in the urban area and analyzing its spectrum, the micro-tremor spectrum curve is classified and studied with the help of the report of geotechnical engineering exploration. The result shows that the variety of stiffness of the foundation soil is related to the thickness of the covering layer, and that the changes of dominant periods correspond to the geographical condition of theengineering site. Thus, it provides basis for site evaluation and engineering seismic design. |
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| Keywords: | micro-tremor dominant period earthquake engineering site condition |
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