JOURNAL ARTICLE

强震动观测台站类型对地震动的影响分析

Peixuan LiuXiaojun LiZhenghua Zhou

Year: 2022 Journal:   DOAJ (DOAJ: Directory of Open Access Journals)

Abstract

以强震动台站结构类型作为控制因素,基于集中质量显式时域动力有限元方法,系统地分析了不同场地条件下观测室结构(砌体观测房、半地下观测室、玻璃钢罩观测室)对地震动的影响。通过对北京地球观象台院内并址观测实验台站捕获的地脉动和两次地震事件数据的处理并结合数值模拟结果,分析得到不同类型观测室对地震动的影响规律。结果表明:观测室结构对地震动的影响是客观存在的,由于观测室结构自振周期和体量不同,不同观测室对地震动的影响频带和影响程度亦存在差异,相较于其它结构对地震动的影响,玻璃钢罩观测室的影响频带较窄、影响程度最小。

Keywords:
Process (computing) Identification (biology) Product (mathematics)

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