[1]姜明秀,张潇男,康莉莉.俯冲带板内地震水平加速度谱的阻尼比修正系数模型研究[J].地震工程与工程振动,2019,39(04):126-138.[doi:10.13197/j.eeev.2019.04.126.jiangmx.013]
 JIANG Mingxiu,ZHANG Xiaonan,KANG Lili.A study on damping correction factor model for acceleration response spectrum for the horizontal components from subduction slab earthquakes[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2019,39(04):126-138.[doi:10.13197/j.eeev.2019.04.126.jiangmx.013]
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俯冲带板内地震水平加速度谱的阻尼比修正系数模型研究
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《地震工程与工程振动》[ISSN:/CN:]

卷:
39
期数:
2019年04
页码:
126-138
栏目:
论文
出版日期:
2019-09-30

文章信息/Info

Title:
A study on damping correction factor model for acceleration response spectrum for the horizontal components from subduction slab earthquakes
作者:
姜明秀 张潇男 康莉莉
山东建筑大学 土木工程学院, 山东 济南 250000
Author(s):
JIANG Mingxiu ZHANG Xiaonan KANG Lili
School of Civil Engineering, Shandong Jianzhu University, Jinan 250000, China
关键词:
俯冲带板内地震随机效应模型场地类别残差标准差随机效应模型
Keywords:
earthquake in subduction zone platestochastic effect modeltype of venueresidual standard deviationdamping correction factor
分类号:
P631.4+43
DOI:
10.13197/j.eeev.2019.04.126.jiangmx.013
摘要:
本文研究目的是建立一个阻尼比修正系数模型用来调整5%阻尼比设计反应谱,得到其他阻尼比的设计反应谱。数据采用从日本KiK-net和K-NET网站中获得的4 695条俯冲带板内地震的强震记录,基于场地周期的分类方法将其分为四类。运用统计分析建立仅考虑场地类别和谱周期的阻尼比修正系数模型,可用于调整不考虑震级和震源距的设计反应谱。模型总残差和总残差标准差分为事件间、事件内残差及其残差标准差;通过随机效应模型将事件内分离为场地间、场地内残差及其残差标准差。这些标准差可评估震源效应、场地效应以及路径效应对模型的影响。分析结果表明:偏差是由震源效应、场地效应和路径效应引起的;长周期震源效应引起的随机误差要大于其他效应引起的随机误差;低阻尼情况下场地效应导致的随机误差要小于路径效应引起的随机误差。为了提供一个简单便于调整规范设计反应谱的模型,研究模型暂未考虑上述因素的影响。
Abstract:
This study aims to establish a model of the damping ratio correction factor that can be used to adjust the 5% damped design response spectrum for other damping ratios. 4,695 strong-motion records from earthquakes in subduction plates obtained by the KiK-net and K-net in Japan were used.These records were divided into four groups according to the site classes of the recording stations. Based on a statistical analysis, we present a model for the damping ratio correction factor accounting for the site class and spectral period and the model can be used to adjust the design response spectrum without information of associated magnitude and source distance. The total model residualsand standard deviations were separated into between-, within-event parts, and the within-event parts were further divided into between-and within-site parts by usinga random effects model. These standard deviations can be used as indicators for relative error levelsassociated with source, path and site effects. The analysis results show that the comparable errorsare from the source, site and path effects.The random error from source effect appears to be larger than those caused by the other effects in long period, and the random error from site effect is larger than that from path effect in low damping.In order to provide a simple model for adjusting a design response spectrum that is not associated with known magnitude, focal depth and source distance, the model in this article does not include these effects.

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备注/Memo

备注/Memo:
收稿日期:2018-12-20;改回日期:2019-2-5。
基金项目:国家自然科学基金项目(51878396)
作者简介:姜明秀(1994-),女,硕士研究生,主要从事地震工程研究.E-mail:1362247301@qq.com
更新日期/Last Update: 1900-01-01