摘要
场地条件对于地震动特性影响显著,在工程地震领域中强震记录与之对应的场地条件在研究中十分重要。利用H/V谱比法对新疆乌恰地区12个强震台站场地进行场地分类计算,并与实际钻孔剪切波速的场地分类结果对比分析,H/V谱比法和实际钻孔波速分类结果还是有很好的对应关系,为研究区域内缺乏钻孔剪切波速测试资料的场地进行场地分类提供了参考依据。
In this paper, we collected 12 strong ground motion stations of Wuqia area, using H/V spectral ratio method to study on the site classification. We compared the field classification results with the borehole shear wave velocity site classification results, there was a good correspondence between the two site classification results. It can provide a site classification reference for the areas which are lack of the borehole shear wave velocity data.
引文
[1] 胡聿贤.地震工程学[M].北京:地震出版社.2006:63.
[2] 高振寰,胡碧茹.局部场地条件对震害的影响-唐山地震时丰润县震害剖析[J].华北地震科学,1987,5(sl):208-213.
[3] Seed H B,Romo M P,Sun J I,et al.The Mexico Earthquake of September 19,1985-Relationships between soil conditions and earthquake ground motions[J].Earthquake Spectra,1988,4(4) :687-729.
[4] Tsai Yi-Ben,Huang Ming-Wey.Strong ground motion characteristics of the Chi-Chi,Taiwan earthquake of September 21,1999[J].Earthquake Engineering and Engineering Seismology,2000,2(1):1-21.
[5] 中华人民共和国住房和城乡建设部和中华人民共和国国家质量监督检验检疫总局.建筑抗震设计规范:GB50011-2010[S].北京:中国建筑工业出版社,2010.
[6] Borcherdt R D.Effects of local geology on ground motion near San Francisco bay[J].Bulletin of the seismological society of America,1970,60(1) :29-61.
[7] Fukushima Y,Bonilla L F,Scotti O.Site classification using horizontal-to-vertical response spectral ratios and its impact when deriving empirical ground-motion prediction equations[J].Journal of earthquake engineering,2007,11(5) :712-724.
[8] Lee C T,Cheng C T,Liao C W.Site classification of Taiwan free-field strong-motion stations[J].Bulletin of the seismological society of America,2001,91(5) :1283-1297.
[9] Wen R Z,Shi D C,Ren Y F.Site classification based on geological genesis and its application[C]//Proceedings of the 14th World Conference on Earthquake Engineering,Beijing,China,Paper ID:04-02-0125,2008.
[10] Nakamura Y.A method for dynamic characteristics estimation of subsurface using micro-tremor on the ground surface [J].Railway Technical Research Institute,1989,30(1) :25-33.
[11] Yamazaki F,Ansary M A.Horizontal-to-vertical spectrum ratio of earthquake ground motion for site characterization [J].Earthquake engineering & structural dynamics,1997,26(7) :671-689.
[12] Zare M,Bard P.Y,Site characterizations for the Iranian strong motion network[J].Soil Dynamics and Earthquake Engineering,1999,18(2):101-123.
[13] Zhao J.X.,Irikura K.,Zhang J.An empirical site-classification method for strong-motion stations in Japan using H/V response ratio[J].Bulletin of the Seismological Society of America.2006,96(3) :914-925.
[14] Fukushima Y,Bonilla L F,Scotti O.Site classification using horizontal-to-vertical response spectral ratios and its impact when deriving empirical ground-motion prediction equations[J].Journal of earthquake engineering,2007,11(5) :712-724.
[15] Wen R Z,Ren Y F,Zhou Z H,et al.Preliminary site classification of free-field strong motion stations based on Wenchuan earthquake records[J].Earthquake Science,2010,23(1) :101-110.
[16] 冀昆,温瑞智,任叶飞,等.基于芦山余震强震动记录的场地特征分析[J].地震工程与工程振动,2014,34(5):35-42.
[17] 温瑞智,冀昆,任叶飞,等.基于谱比法的我国强震台站场地分类[J].岩石力学与工程学报,2015,34(6):1-6.