水库地震的地震动特性
详细信息 本馆镜像全文    |  推荐本文 | | 获取馆网全文
摘要
利用新丰江、黄壁庄、喀什、龙羊峡、官厅、刘家峡和陡河等水库地震的近场地面运动资料,给出了水库地震地震动的峰值加速度衰减关系、频谱特性和持续时间。分析结果表明,较天然地震而言,水库地震的地面运动峰值加速度高,衰减快;地震动反应谱特征频率高,持续时间短;场地卓越周期以坚硬基岩的最短,硬土次之,软土最长。研究得到的水库地震的地震动衰减关系和频谱特性可为水工结构的抗震设计和加固提供借鉴。
In this paper,the coefficient of ground motion attenuation,characteristic of spectrum,duration of reservoir earthquake are obtained by ground motion data of near field ground motion of Xinfengjiang Seservoir Earthquake etc.The analysis result indicates that peak ground acceleration,coefficient of ground motion attenuation and characteristic frequency of response spectrum of reservoir earthquake are larger than that of natural earthquake;duration of ground motion of reservoir earthquake is shorter than that of natural earthquake;and for reservoir earthquake,characteristic period of soft site is larger than that of rock site.The analysis result will give a reference to seismic design and reinforcement of hydraulic structures.
引文
[1]谢礼立.唐山校正强震加速度记录[A].中国强震记录汇报第一集[M].北京:地震出版社,1986.
    [2]彭克中,陈厚群.黄壁庄水库非常溢洪道地震观测报告[A].中国强震记录汇报第四集[M].北京:地震出版社,1986.
    [3]胡成祥,谢建清,周雍年.新丰江水库地震记录常规处理报告[A].中国强震记录汇报第八集[M].北京:地震出版社,1995.
    [4]吕桂林,于双久.新疆维吾尔自治区强震加速度记录[A].中国强震记录汇报第十一集[M].北京:地震出版社,1994.
    [5]陈厚群.中国水工结构重要强震数据及分析[M].北京:地震出版社,2000.
    [6]于海英,韦良杰.强震加速度记录的数字化误差分析及消除误差的方法和软件[J].仪器仪表学报,2005,(增刊):748-751.
    [7]Yu HaiY ing.Stong Motion Database and Analysis M ethod in Main land Ch ina Proceed ing of the International Conference on Advances and NewChallenges in Earthquake Engineering Research[C].Hong Kong,2002,405-412.
    [8]GB/T17742-1999,中国地震烈度表[S].
    [9]DL5073-1997,水工建筑物抗震设计规范[S].

版权所有:© 2023 中国地质图书馆 中国地质调查局地学文献中心