Article(id=1245390264370573738, tenantId=1146029695717560320, journalId=1241701559352995854, issueId=1245390255516397762, articleNumber=null, orderNo=null, doi=10.13197/j.eeed.2024.0513, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1689091200000, receivedDateStr=2023-07-12, revisedDate=1694707200000, revisedDateStr=2023-09-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1774853777257, onlineDateStr=2026-03-30, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1774853777257, onlineIssueDateStr=2026-03-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774853777257, creator=13701087609, updateTime=1774853777257, updator=13701087609, issue=Issue{id=1245390255516397762, tenantId=1146029695717560320, journalId=1241701559352995854, year='2024', volume='44', issue='5', pageStart='1', pageEnd='231', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1774853775147, creator=13701087609, updateTime=1774854426342, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1245392986884911753, tenantId=1146029695717560320, journalId=1241701559352995854, issueId=1245390255516397762, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1245392986889106058, tenantId=1146029695717560320, journalId=1241701559352995854, issueId=1245390255516397762, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=139, endPage=148, ext={EN=ArticleExt(id=1245390264626426305, articleId=1245390264370573738, tenantId=1146029695717560320, journalId=1241701559352995854, language=EN, title=Modeling of fully non-stationary ground motions based on random phase difference spectrum, columnId=null, journalTitle=Earthquake Engineering and Engineering Dynamics, columnName=null, runingTitle=null, highlight=null, articleAbstract=
In order to reasonably represent the fully non-stationarity and randomness of the land acquisition seismic process, a random seismic model based on a combination of phase difference spectrum and power spectrum has been developed. Firstly, the relationship between phase difference and non-stationarity of seismic ground motion was elucidated, and the identification and statistical analysis of phase difference spectrum model parameters were carried out using strong motion records. Secondly, power spectrum models with deterministic and stochastic parameters were used to obtain the values of deterministic parameters and the normalized optimal probability distribution of stochastic parameters, respectively. Finally, by selecting representative point sets of basic random parameters, the corresponding representative time history set of seismic acceleration was obtained. The calculation example shows that the method in this paper only requires 2 or 4 basic random variables to simulate the seismic acceleration process with natural variability and rich probability information, and the simulated acceleration response spectrum fits well with the strong motion records. The study lays the foundation for applying probability density evolution theory to the random seismic response and seismic reliability refinement analysis of complex engineering structures.
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为合理表征地震动过程的全非平稳性和随机性,发展了一类基于相位差谱和功率谱结合的随机地震动模型。首先,阐明了相位差与地震动全非平稳性的关系,并利用实测强震记录,进行相位差谱模型参数的识别及统计分析。其次,采用确定性和随机性参数的功率谱模型,分别获得确定性参数的取值以及随机性参数的归一化最优概率分布。最后,通过选取基本随机参数的代表性点集,获得相应的地震动加速度代表性时程集合。研究结果表明:仅需2个或4个基本随机变量即可模拟具有自然变异性及丰富概率信息的地震动加速度过程,且模拟所得的加速度反应谱与实测强震记录拟合良好,为应用概率密度演化理论进行复杂工程结构的随机地震反应及抗震可靠性精细化分析奠定基础。
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, authorsList=吕庆霞, 刘章军, 姜云木, 刘子心)}, authors=[Author(id=1245390276156567699, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=lvqingxia1999@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1245390276261425304, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, authorId=1245390276156567699, language=EN, stringName=Qingxia LV, firstName=Qingxia, middleName=null, lastName=LV, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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吕庆霞(1999—),女,硕士研究生,主要从事工程结构抗震研究。E-mail:lvqingxia1999@163.com
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1.School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan 430074, China
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3.防灾科技学院 中国地震局建筑物破坏机理与防御重点实验室,河北 三河 065201, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1245390276076875917, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, xref=3., ext=[AuthorCompanyExt(id=1245390276081070221, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, companyId=1245390276076875917, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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148: 96-108., articleTitle=The generalization of Latin hypercube sampling, refAbstract=null)], funds=[Fund(id=1245390280233431379, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, awardId=51978543; 52108444, language=CN, fundingSource=国家自然科学基金项目(51978543; 52108444), fundOrder=null, country=null), Fund(id=1245390280329900374, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, awardId=CX2022210, language=CN, fundingSource=武汉工程大学研究生教育创新基金项目(CX2022210), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1245390275854577789, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, xref=1., ext=[AuthorCompanyExt(id=1245390275862966398, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, companyId=1245390275854577789, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Whittier Narrows-01 ground motion recorded by Mt Wilson-CIT Seis Sta station, figureFileSmall=1QisI+SgO6lLVP1cx1CbPg==, figureFileBig=OZnpp9R5qdFh4Os2l74Pbw==, tableContent=null), ArticleFig(id=1245390278387937545, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, language=CN, label=图1, caption=
Mt Wilson-CIT Seis Sta台站记录的Whittier Narrows-01地震动, figureFileSmall=1QisI+SgO6lLVP1cx1CbPg==, figureFileBig=OZnpp9R5qdFh4Os2l74Pbw==, tableContent=null), ArticleFig(id=1245390278580875537, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, language=EN, label=Fig. 2, caption=
Northridge-01 ground motion recorded by Elizabeth Lake station, figureFileSmall=0NuJhU3GzWujoXP4XOthMg==, figureFileBig=vz0k1IG9uhQFyxxh+ry08g==, tableContent=null), ArticleFig(id=1245390278656373013, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, language=CN, label=图2, caption=
Elizabeth Lake台站记录的Northridge-01地震动, figureFileSmall=0NuJhU3GzWujoXP4XOthMg==, figureFileBig=vz0k1IG9uhQFyxxh+ry08g==, tableContent=null), ArticleFig(id=1245390278765424922, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, language=EN, label=Fig. 3, caption=
Normalized optimal probability model fitting results of phase difference spectrum model parameters, figureFileSmall=6m/DI1RvA4aMmng9sqUfjA==, figureFileBig=8CsCtjklNOQaPtcfw5g6bw==, tableContent=null), ArticleFig(id=1245390278853505312, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, language=CN, label=图3, caption=
相位差谱模型参数的归一化最优概率分布拟合结果, figureFileSmall=6m/DI1RvA4aMmng9sqUfjA==, figureFileBig=8CsCtjklNOQaPtcfw5g6bw==, tableContent=null), ArticleFig(id=1245390278937391393, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, language=EN, label=Fig. 4, caption=
Normalized optimal probability model fitting results of power spectrum model parameters, figureFileSmall=mbviC6+fgMFlFvTpX+fPzw==, figureFileBig=MiKkiM5vl3CCL6iMg+iHuA==, tableContent=null), ArticleFig(id=1245390279021277477, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, language=CN, label=图4, caption=
功率谱模型随机性参数的归一化最优概率分布拟合结果, figureFileSmall=mbviC6+fgMFlFvTpX+fPzw==, figureFileBig=MiKkiM5vl3CCL6iMg+iHuA==, tableContent=null), ArticleFig(id=1245390279088386343, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, language=EN, label=Fig. 5, caption=
Representative acceleration time-histories of ground motion, figureFileSmall=WdpW5QNsfgmbBXxgrHvEBQ==, figureFileBig=czOVrJmknZKD/QORaWwOdA==, tableContent=null), ArticleFig(id=1245390279159689515, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, language=CN, label=图5, caption=
地震动加速度的代表性时程, figureFileSmall=WdpW5QNsfgmbBXxgrHvEBQ==, figureFileBig=czOVrJmknZKD/QORaWwOdA==, tableContent=null), ArticleFig(id=1245390279243575599, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, language=EN, label=Fig. 6, caption=
Comparison of seismic acceleration response spectra, figureFileSmall=nCDDX8ZofBU13FqxViJN/g==, figureFileBig=K9S27UUYhlzlFHoZIuo8uw==, tableContent=null), ArticleFig(id=1245390279507816760, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, language=CN, label=图6, caption=
地震加速度反应谱比较, figureFileSmall=nCDDX8ZofBU13FqxViJN/g==, figureFileBig=K9S27UUYhlzlFHoZIuo8uw==, tableContent=null), ArticleFig(id=1245390279587508538, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, language=EN, label=Table 1, caption=
Relationship between the soil site classification and VS30
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| 实测记录 | 场地类别 |
|---|
| I0 | I1 | II | III | IV |
|---|
| VS30/(m/s) | [650,+∞) | [450,650) | [300,450) | [180,300) | [0,180) |
| 记录数量/组 | 119 | 553 | 523 | 467 | 103 |
), ArticleFig(id=1245390279671394621, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, language=CN, label=表1, caption=
场地分类与VS30的对应关系
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| 实测记录 | 场地类别 |
|---|
| I0 | I1 | II | III | IV |
|---|
| VS30/(m/s) | [650,+∞) | [450,650) | [300,450) | [180,300) | [0,180) |
| 记录数量/组 | 119 | 553 | 523 | 467 | 103 |
), ArticleFig(id=1245390279742697792, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, language=EN, label=Table 2, caption=
Normalized optimal probability distribution of phase difference spectrum model parameters
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| 场地类别 | 相位差谱参数 | 概率模型 |
|---|
| 概率分布 | 均值/形状参数 | 标准差/尺度参数 | 位置参数 | 最大值 | 最小值 |
|---|
| I0 | 均值μ/rad | GEV | -0.60 | 0.26 | 0.57 | 1.01 | -0.38 |
| I1 | | GEV | -0.45 | 0.22 | 0.52 | 1.13 | -0.61 |
| II | | GEV | -0.37 | 0.20 | 0.47 | 1.14 | -0.68 |
| III | | GEV | -0.37 | 0.20 | 0.51 | 0.98 | -0.64 |
| IV | | GEV | -0.56 | 0.27 | 0.53 | 0.85 | -0.61 |
| I0 | 标准差σ/rad | WEI | 2.18 | 0.47 | — | 1.24 | 0.14 |
| I1 | | WEI | 2.10 | 0.44 | — | 1.30 | 0.19 |
| II | | WEI | 2.74 | 0.52 | — | 1.36 | 0.16 |
| III | | GEV | -0.24 | 0.20 | 0.36 | 1.19 | 0.27 |
| IV | | GEV | -0.28 | 0.22 | 0.38 | 1.10 | 0.28 |
), ArticleFig(id=1245390279805612355, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, language=CN, label=表2, caption=
相位差谱模型参数的归一化最优概率分布
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| 场地类别 | 相位差谱参数 | 概率模型 |
|---|
| 概率分布 | 均值/形状参数 | 标准差/尺度参数 | 位置参数 | 最大值 | 最小值 |
|---|
| I0 | 均值μ/rad | GEV | -0.60 | 0.26 | 0.57 | 1.01 | -0.38 |
| I1 | | GEV | -0.45 | 0.22 | 0.52 | 1.13 | -0.61 |
| II | | GEV | -0.37 | 0.20 | 0.47 | 1.14 | -0.68 |
| III | | GEV | -0.37 | 0.20 | 0.51 | 0.98 | -0.64 |
| IV | | GEV | -0.56 | 0.27 | 0.53 | 0.85 | -0.61 |
| I0 | 标准差σ/rad | WEI | 2.18 | 0.47 | — | 1.24 | 0.14 |
| I1 | | WEI | 2.10 | 0.44 | — | 1.30 | 0.19 |
| II | | WEI | 2.74 | 0.52 | — | 1.36 | 0.16 |
| III | | GEV | -0.24 | 0.20 | 0.36 | 1.19 | 0.27 |
| IV | | GEV | -0.28 | 0.22 | 0.38 | 1.10 | 0.28 |
), ArticleFig(id=1245390279893692742, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, language=EN, label=Table 3, caption=
Identification results of deterministic parameters of power spectrum models
, figureFileSmall=null, figureFileBig=null, tableContent=
| 场地类别 | 功率谱模型参数 |
|---|
| 卓越圆频率ωg/(rad/s) | 阻尼比ξg |
|---|
| I0 | 21.80 | 0.40 |
| I1 | 17.66 | 0.48 |
| II | 17.54 | 0.46 |
| III | 12.34 | 0.51 |
| IV | 10.32 | 0.44 |
), ArticleFig(id=1245390279969190218, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, language=CN, label=表3, caption=
功率谱模型确定性参数的识别结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 场地类别 | 功率谱模型参数 |
|---|
| 卓越圆频率ωg/(rad/s) | 阻尼比ξg |
|---|
| I0 | 21.80 | 0.40 |
| I1 | 17.66 | 0.48 |
| II | 17.54 | 0.46 |
| III | 12.34 | 0.51 |
| IV | 10.32 | 0.44 |
), ArticleFig(id=1245390280036299084, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, language=EN, label=Table 4, caption=
Normalized optimal probability distribution of random parameters of power spectrum models
, figureFileSmall=null, figureFileBig=null, tableContent=
| 场地类别 | 功率谱参数 | 概率模型 |
|---|
| 概率分布 | 均值/形状参数 | 标准差/尺度参数 | 位置参数 | 最大值 | 最小值 |
|---|
| I0 | ωg/(rad/s) | WEI | 1.29 | 0.32 | — | 38.46 | 4.95 |
| I1 | | GUM | — | -0.28 | 0.17 | 38.37 | 1.08 |
| II | | WEI | 1.60 | 0.39 | — | 43.88 | 2.52 |
| III | | GAM | 2.32 | 0.16 | — | 27.51 | 1.45 |
| IV | | WEI | 0.39 | 1.51 | — | 23.19 | 2.91 |
| I0 | ξg | GEV | -0.24 | 0.18 | 0.39 | 0.64 | 0.11 |
| I1 | | GEV | -0.19 | 0.17 | 0.40 | 0.68 | 0.08 |
| II | | GEV | -0.22 | 0.17 | 0.44 | 0.64 | 0.08 |
| III | | GEV | -0.13 | 0.17 | 0.39 | 0.70 | 0.10 |
| IV | | GEV | -0.29 | 0.21 | 0.42 | 0.61 | 0.11 |
), ArticleFig(id=1245390280124379471, tenantId=1146029695717560320, journalId=1241701559352995854, articleId=1245390264370573738, language=CN, label=表4, caption=
功率谱模型随机性参数的归一化最优概率分布
, figureFileSmall=null, figureFileBig=null, tableContent=
| 场地类别 | 功率谱参数 | 概率模型 |
|---|
| 概率分布 | 均值/形状参数 | 标准差/尺度参数 | 位置参数 | 最大值 | 最小值 |
|---|
| I0 | ωg/(rad/s) | WEI | 1.29 | 0.32 | — | 38.46 | 4.95 |
| I1 | | GUM | — | -0.28 | 0.17 | 38.37 | 1.08 |
| II | | WEI | 1.60 | 0.39 | — | 43.88 | 2.52 |
| III | | GAM | 2.32 | 0.16 | — | 27.51 | 1.45 |
| IV | | WEI | 0.39 | 1.51 | — | 23.19 | 2.91 |
| I0 | ξg | GEV | -0.24 | 0.18 | 0.39 | 0.64 | 0.11 |
| I1 | | GEV | -0.19 | 0.17 | 0.40 | 0.68 | 0.08 |
| II | | GEV | -0.22 | 0.17 | 0.44 | 0.64 | 0.08 |
| III | | GEV | -0.13 | 0.17 | 0.39 | 0.70 | 0.10 |
| IV | | GEV | -0.29 | 0.21 | 0.42 | 0.61 | 0.11 |
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