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作者: CHEN Bo, XU Chao, WEN Zeng-ping 文題: VERIFICATION OF THE SPECTRAL PERIOD RANGE FOR GROUND MOTION SCALING 期刊名: Engineering Mechanics 期刊年份: 2015 卷(期),起止頁碼: 32(S): 1-10,26. DOI: 10.6052/j.issn.1000-4750.2014.05.S050 |
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Accession number: 20153001050667 Title: Verification of the spectral period range for ground motion scaling Authors: Chen, Bo1 Email author chenbo@cea-igp.ac.cn; Xu, Chao1 Email author xunchao@cea-igp.ac.cn; Wen, Zeng-Ping1 Email author wenzp@cea-igp.ac.cn Author affiliation: 1 Institute of Geophysics, China Earthquake Administration, Beijing, China Corresponding author: Wen, Zeng-Ping Source title: Gongcheng Lixue/Engineering Mechanics Abbreviated source title: Gongcheng Lixue Volume: 32 Issue date: June 1, 2015 Publication year: 2015 Pages: 1-10 and 26 Language: Chinese ISSN: 10004750 CODEN: GOLIEB Document type: Journal article (JA) Publisher: Tsinghua University Abstract: It is well-established that the spectral period range is one of the critical considerations in ground motion scaling. However, there is no consensus and quantitative basis in current codes for seismic design of buildings. In the paper, first of all, correlation analyses are carried out between acceleration spectrum corresponding to different periods and structural non-linear seismic responses. The preliminary spectral period range is discussed, which makes a significant contribution to the structural non-linear seismic response. Then, based on extensive statistics analysis and normalization processing, the parameter proxy of spectral shape R<inf>T1,T2</inf> is introduced to decouple the control action of S<inf>a</inf>(T<inf>1</inf>  . Finally, some suggestions are presented to determine the range for scaling ground motions. The results show that the fundamental period could meet basically the requirement of low-rise buildings, in addition, 0.2T<inf>1</inf>~2T<inf>1</inf> is adequate for medium- and high-rise buildings. ©, 2015, Tsinghua University. All right reserved.Number of references: 17 Main heading: Earthquake effects Controlled terms: Correlation methods - Seismic design - Seismic response - Seismology - Tall buildings Uncontrolled terms: Acceleration spectrum - Correlation analysis - Decoupling - Ground-motion scaling - Spectral period range - Spectral shapes Classification code: 402 Buildings and Towers - 408 Structural Design - 484 Seismology - 484.1 Earthquake Measurements and Analysis - 922.2 Mathematical Statistics DOI: 10.6052/j.issn.1000-4750.2014.05.S050 Database: Compendex Compilation and indexing terms, © 2015 Elsevier Inc. |
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