拟合反应谱峰加速度和峰速度的人造非平稳地震动
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摘要
为满足重要工程对设计地震动的需要,文中研究了一种考虑场地附近天然地震记录数据相位非平稳特性、同时拟合S0A(T)、PGA和PGV的人造地震动技术,并以新疆玛纳斯县城区基岩场地为例,利用该区域强震记录提取的天然地震动非平稳相位,进行了非平稳人造地震动的合成。研究成果可为拟合反应谱人造地震动的工程应用提供参考。
In order to meet the requirement of important projects for designing ground motions,a new artificial ground motion technology is researched for considering non-stationary phase from near site earthquake records and to fit compatible S0(T),PGA and PGV are fitted with the non-stationary phase,simultaneously.This new technology is applied for generating the non-stationary artificial ground motion at the rock site of Manas Town,Xinjiang,which the non-stationary phase of natural ground motion is obtained from the strong motion records of the region.The results can supply an example and foundation for the engineering application of artificial ground motion fitting response-spectrum.
In order to meet the requirement of important projects for designing ground motions,a new artificial ground motion technology is researched for considering non-stationary phase from near site earthquake records and to fit compatible S0(T),PGA and PGV are fitted with the non-stationary phase,simultaneously.This new technology is applied for generating the non-stationary artificial ground motion at the rock site of Manas Town,Xinjiang,which the non-stationary phase of natural ground motion is obtained from the strong motion records of the region.The results can supply an example and foundation for the engineering application of artificial ground motion fitting response-spectrum.
引文
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[2]廖振鹏,魏颖.设计地震加速度的合成[J].地震工程与工程振动,1988,8(1):12-30Liao Zhenpeng,Wei Ying.A semi-empirical model for simulating design accelerograms[J].Journal of Earthquake Engineering and Engineering Vibration,1988,8(1):12-30.
[3]大崎顺彦.地震动谱分析[M].谢礼立译.北京:地震出版社,1980.Ohsaki.Spectrum Analysis of Ground Motions[M].Beijing:Seismological Press,1980.
[4]赵凤新,张郁山.人造地震动反应谱拟合的窄带时程叠加法[J].工程力学,2007,24(2):87-91.Zhao Fengxin,Zhang Yushan.Narrowband-time-histoty’s superimposing method of generating response-spectrum-compatible accelerogram[J].Engineering Mechanics,2007,24(2):87-91.
[5]李英民,赖明,白绍良,等.基于三参数模型的双向水平地震动相关设计反应谱研究[J].世界地震工程,2002,18(4):5-10.Li Yingmin,Lai Ming,Bai Shaoliang,etc.A study on correlative design response spectra of two horizontal components of ground motions based on tri-parameter model[J].World Earthquake Engineering,2002,18(4):5-10
[6]金星,廖振鹏.地震动相位特性的研究[J].地震工程与工程振动,1993,13(1);7-13.Jin Xing,Liao Zhenpeng.Study on phase properties of strong ground motions[J].Journal of Earthquake Engineering and Engineering Vibration.1993,13(1);7-13.
[7]夏友柏,王年桥,张尚根.一种合成多点地震动时程的方法[J].世界地震工程,2002,18(1):119-122.Xia Youbai,Wang Nianqiao,etc.,A simulation method for spatial correlative time histories of multi-point ground motion[J].World Earthquake Engineering,2002,18(1):119-122.
[8]李勇哲,罗兆辉,李大华,等.相位非平稳人造地震动反应谱拟合技术研究[J].天津城市建设学院学报,2009,15(3):38-41.Li Yongzhe,Luo Zhaohui,Li Dahua,etc.Technique research on generating compatible dynamic response spectrum of ground motion under non-sta-tionary phase[J].Journal of Tianjin Institute of Urban Construction,2009,15(3):38-41.
[9]Nigam NC,Jennings P C,Calculation of response spectra from strong-motion earthquake records[J],Bull.Seism.Soc.Amer.1969,59(2):909-922.
[10]王前信.计算反应谱的一种简便方法[C]//地震工程研究报告集第一集.北京:科学出版社,1962:3-11.Wang Qianxin.A simple method of response spectrum calculation[C]//Earthquake Engineering Research Reports,No.1,Beijing:Science Press1962:3-11.
[11]李大华.计算地震反应谱的连锁公式[J].地震工程与工程振动,1990,10(2):47-52.Li Dahua.Successive computation formulation of earthquake response spectra[J].Journal of Earthquake Engineering and Engineering Vibration,1990,10(2):47-52.
[12]胡聿贤.地震安全性评价技术教程[M].北京:地震出版社,1999.Hu Yuxian.Tutorial of Seismic Safety Evaluation[M].Beijing:Seismological Press,1999.
[2]廖振鹏,魏颖.设计地震加速度的合成[J].地震工程与工程振动,1988,8(1):12-30Liao Zhenpeng,Wei Ying.A semi-empirical model for simulating design accelerograms[J].Journal of Earthquake Engineering and Engineering Vibration,1988,8(1):12-30.
[3]大崎顺彦.地震动谱分析[M].谢礼立译.北京:地震出版社,1980.Ohsaki.Spectrum Analysis of Ground Motions[M].Beijing:Seismological Press,1980.
[4]赵凤新,张郁山.人造地震动反应谱拟合的窄带时程叠加法[J].工程力学,2007,24(2):87-91.Zhao Fengxin,Zhang Yushan.Narrowband-time-histoty’s superimposing method of generating response-spectrum-compatible accelerogram[J].Engineering Mechanics,2007,24(2):87-91.
[5]李英民,赖明,白绍良,等.基于三参数模型的双向水平地震动相关设计反应谱研究[J].世界地震工程,2002,18(4):5-10.Li Yingmin,Lai Ming,Bai Shaoliang,etc.A study on correlative design response spectra of two horizontal components of ground motions based on tri-parameter model[J].World Earthquake Engineering,2002,18(4):5-10
[6]金星,廖振鹏.地震动相位特性的研究[J].地震工程与工程振动,1993,13(1);7-13.Jin Xing,Liao Zhenpeng.Study on phase properties of strong ground motions[J].Journal of Earthquake Engineering and Engineering Vibration.1993,13(1);7-13.
[7]夏友柏,王年桥,张尚根.一种合成多点地震动时程的方法[J].世界地震工程,2002,18(1):119-122.Xia Youbai,Wang Nianqiao,etc.,A simulation method for spatial correlative time histories of multi-point ground motion[J].World Earthquake Engineering,2002,18(1):119-122.
[8]李勇哲,罗兆辉,李大华,等.相位非平稳人造地震动反应谱拟合技术研究[J].天津城市建设学院学报,2009,15(3):38-41.Li Yongzhe,Luo Zhaohui,Li Dahua,etc.Technique research on generating compatible dynamic response spectrum of ground motion under non-sta-tionary phase[J].Journal of Tianjin Institute of Urban Construction,2009,15(3):38-41.
[9]Nigam NC,Jennings P C,Calculation of response spectra from strong-motion earthquake records[J],Bull.Seism.Soc.Amer.1969,59(2):909-922.
[10]王前信.计算反应谱的一种简便方法[C]//地震工程研究报告集第一集.北京:科学出版社,1962:3-11.Wang Qianxin.A simple method of response spectrum calculation[C]//Earthquake Engineering Research Reports,No.1,Beijing:Science Press1962:3-11.
[11]李大华.计算地震反应谱的连锁公式[J].地震工程与工程振动,1990,10(2):47-52.Li Dahua.Successive computation formulation of earthquake response spectra[J].Journal of Earthquake Engineering and Engineering Vibration,1990,10(2):47-52.
[12]胡聿贤.地震安全性评价技术教程[M].北京:地震出版社,1999.Hu Yuxian.Tutorial of Seismic Safety Evaluation[M].Beijing:Seismological Press,1999.
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