[1]康莉莉,刘名吉,张洪博,等.不同类型俯冲带地震水平向地震动阻尼修正系数对比研究[J].世界地震工程,2021,(02):183-191.
 KANG Lili,LIU Mingji,ZHANG Hongbo,et al.Comparison of damping modification factors for the horizontal ground motions from different types of earthquakes in subduction zones[J].,2021,(02):183-191.
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不同类型俯冲带地震水平向地震动阻尼修正系数对比研究
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《世界地震工程》[ISSN:/CN:]

卷:
期数:
2021年02期
页码:
183-191
栏目:
出版日期:
2021-04-30

文章信息/Info

Title:
Comparison of damping modification factors for the horizontal ground motions from different types of earthquakes in subduction zones
作者:
康莉莉12 刘名吉1 张洪博1 杨青松3
1. 山东建筑大学 土木工程学院, 济南 250101;
2. 山东城市建设职业学院, 济南 250101;
3. 西南交通大学 土木工程学院, 成都 610031
Author(s):
KANG Lili12 LIU Mingji1 ZHANG Hongbo1 YANG Qingsong3
1. Shandong Jianzhu University, Jinan 250101, China;
2. Shandong Urban Construction Vocation College, Jinan 250101, China;
3. School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, China
关键词:
水平向阻尼修正系数反应谱阻尼比俯冲带地震地震类型
Keywords:
horizontal damping modification factorresponse spectrumdamping ratiosubduction earthquakeearthquake types
分类号:
P631.4+43
摘要:
基于日本KiK-Net、K-Net地震台网和太平洋地震工程中心(PEER)的14 713条地震动记录,比较了俯冲带地区浅壳上地幔地震、板内地震和板间地震的水平向地震动加速度反应谱阻尼修正系数(DMF)和位移反应谱阻尼修正系数(DMF)的差异,并进行了5%置信水平下的假设检验,探究了俯冲带地区不同地震类型对DMF的影响。结果显示:在大多数谱周期,不同地震类型的DMF存在统计意义上的显著差异;在低阻尼比中短周期时,加速度谱DMF和位移谱DMF基本相同;在高阻尼比长周期时,不同地震类型的加速度谱DMF差异大于位移谱DMF差异。研究表明:俯冲带地震水平向地震动DMF需要考虑不同地震类型的影响。
Abstract:
Based on 14713 ground motion records from Japanese KiK-Net, K-net seismic networks and the Pacific Earthquake Engineering Research Center (PEER) record database, this study compared acceleration response spectrum damping modification factor (DMF) and displacement response spectrum DMF between the shallow crustal and upper mantle earthquakes, slab earthquakes and interface earthquakes in subduction zones. The influence of different earthquake types on DMF was investigated in subduction zones through hypothesis testing at 5% confidence level. The results show that DMF of different earthquake types showed statistically significant differences in most spectral periods, the acceleration spectrum DMF and displacement spectrum DMF are basically the same in low damping ratios and short periods, and the difference of acceleration spectrum DMF between different earthquake types is greater than that of displacement spectrum DMF in the case of high damping ratios and long periods. Studies have shown that the influence of different earthquake types should be taken into account in the damping modification factor of horizontal ground motion in subduction zone earthquakes.

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备注/Memo

备注/Memo:
收稿日期:2020-09-28;改回日期:2020-10-08。
基金项目:国家自然科学基金项目(51878396)
作者简介:康莉莉(1986-),女,博士研究生,主要从事岩土地震工程的研究.E-mail:kanglili170101@sdjzu.edu.cn
更新日期/Last Update: 1900-01-01