Article(id=1228295395562943460, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228295387077866291, articleNumber=null, orderNo=null, doi=10.16385/j.cnki.issn.1004-4523.2025.01.016, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1672934400000, receivedDateStr=2023-01-06, revisedDate=1678809600000, revisedDateStr=2023-03-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1770778042926, onlineDateStr=2026-02-11, pubDate=1736438400000, pubDateStr=2025-01-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1770778042926, onlineIssueDateStr=2026-02-11, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1770778042926, creator=13701087609, updateTime=1770778042926, updator=13701087609, issue=Issue{id=1228295387077866291, tenantId=1146029695717560320, journalId=1225147924628267009, year='2025', volume='38', issue='1', pageStart='1', pageEnd='222', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1770778040904, creator=13701087609, updateTime=1770949073977, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1229012751838802169, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228295387077866291, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1229012751838802170, tenantId=1146029695717560320, journalId=1225147924628267009, issueId=1228295387077866291, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=144, endPage=153, ext={EN=ArticleExt(id=1228295396246615029, articleId=1228295395562943460, tenantId=1146029695717560320, journalId=1225147924628267009, language=EN, title=Influence line identification method of beam bridge based on empirical mode decomposition and Tikhonov regularization, columnId=null, journalTitle=Journal of Vibration Engineering, columnName=null, runingTitle=null, highlight=null, articleAbstract=
The deflection influence line and strain influence line can integrally reflect the flexural stiffness of beam bridge section. In the process of obtaining the measured time-history response of beam bridge, the response of beam bridge involves the influence line information and structural dynamic components, and is interfered by the multi-axis effect of loading vehicle under vehicle moving load. In order to identify the influence line of beam bridge structure accurately, the empirical mode decomposition was proposed to eliminate the dynamic component in the measured data of beam bridge, and the quasi-static response data of beam bridge containing the multi-axis effect was obtained. Combined with the sampling frequency and vehicle wheelbase, a mathematical model was established to identify the influence line, and the multi-axis effect of vehicle was converted into unit concentrated load. Tikhonov regularization method was used to accurately solve the stable solution of the influence line of the beam bridge. Through the establishment of numerical simulation models of 1/2 two-axle vehicle-crossing simply-supported beam bridge and three-span continuous beam bridge with variable section, the deflection and strain time-history responses of simply-supported beam bridge and three-span continuous beam bridge at different vehicle speeds were extracted, and the feasibility and effectiveness of identifying influence lines of beam bridge based on empirical mode decomposition and Tikhonov regularization method were verified. The deflection influence lines and strain influence lines of the structural examples of the beam bridge were identified accurately, and the identification effect of the influence lines was evaluated quantitatively by establishing error index. The research also found that the identification effect of the influence lines of the beam bridge decreased with the increase of the loading vehicle speed.
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挠度影响线、应变影响线能够完整地反映梁桥截面抗弯刚度,在获取梁桥实测时程响应过程中,车辆移动荷载作用下的梁桥响应掺杂了影响线信息和结构动力成分,并受到加载车辆的多轴效应干扰。为准确识别梁桥结构影响线,通过经验模态分解剔除梁桥实测数据中的动力成分,得到含有车辆多轴效应的梁桥准静态响应数据,结合采样频率与车辆轴距,建立了影响线识别的数学模型,将车辆多轴效应转化为单位集中荷载,进而采用Tikhonov正则化方法准确解得梁桥影响线的稳定解。通过建立1/2双轴车过简支梁桥与三跨变截面连续梁桥的数值仿真模型,提取车辆不同移动速度下简支梁桥跨中和三跨连续梁桥中跨跨中的挠度、应变时程响应,验证了基于经验模态分解与Tikhonov正则化识别梁桥影响线方法的可行性与有效性,准确地识别了梁桥结构算例的挠度影响线、应变影响线,并通过建立误差指标定量评价了影响线识别效果。研究还发现,梁桥影响线的识别效果随加载车辆速度的增大而降低。
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1, 2, 3, address=
1.School of Civil Engineering, Anhui Jianzhu University, Hefei 230601, China
2.National-local Joint Engineering Laboratory of Building Health Monitoring and Disaster Prevention Technology, Anhui Jianzhu University, Hefei 230601, China
3.College of Civil Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1228299349399106423, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, authorId=1228299349172613991, language=CN, stringName=周宇, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, address=
1.安徽建筑大学土木工程学院,安徽 合肥 230601
2.安徽建筑大学建筑健康监测与灾害预防技术国家地方联合工程实验室,安徽 合肥 230601
3.兰州交通大学土木工程学院,甘肃 兰州 730070, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1228299347750744901, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, xref=1., ext=[AuthorCompanyExt(id=1228299347759133510, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, companyId=1228299347750744901, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.School of Civil Engineering, Anhui Jianzhu University, Hefei 230601, China), AuthorCompanyExt(id=1228299347763327815, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, companyId=1228299347750744901, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.安徽建筑大学土木工程学院,安徽 合肥 230601)]), AuthorCompany(id=1228299348719629132, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, xref=2., ext=[AuthorCompanyExt(id=1228299348723823437, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, companyId=1228299348719629132, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.National-local Joint Engineering Laboratory of Building Health Monitoring and Disaster Prevention Technology, Anhui Jianzhu University, Hefei 230601, China), AuthorCompanyExt(id=1228299348732212046, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, companyId=1228299348719629132, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.安徽建筑大学建筑健康监测与灾害预防技术国家地方联合工程实验室,安徽 合肥 230601)]), AuthorCompany(id=1228299348832875348, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, xref=3., ext=[AuthorCompanyExt(id=1228299348841263956, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, companyId=1228299348832875348, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.College of Civil Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China), AuthorCompanyExt(id=1228299348849652565, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, companyId=1228299348832875348, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.兰州交通大学土木工程学院,甘肃 兰州 730070)])]), Author(id=1228299349529129852, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1228299349701096325, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, authorId=1228299349529129852, language=EN, stringName=Wenqi SHANG, firstName=Wenqi, middleName=null, lastName=SHANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1.School of Civil Engineering, Anhui Jianzhu University, Hefei 230601, China
2.National-local Joint Engineering Laboratory of Building Health Monitoring and Disaster Prevention Technology, Anhui Jianzhu University, Hefei 230601, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1228299349805953932, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, authorId=1228299349529129852, language=CN, stringName=尚稳齐, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1.安徽建筑大学土木工程学院,安徽 合肥 230601
2.安徽建筑大学建筑健康监测与灾害预防技术国家地方联合工程实验室,安徽 合肥 230601, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1228299347750744901, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, xref=1., ext=[AuthorCompanyExt(id=1228299347759133510, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, companyId=1228299347750744901, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.School of Civil Engineering, Anhui Jianzhu University, Hefei 230601, China), AuthorCompanyExt(id=1228299347763327815, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, companyId=1228299347750744901, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.安徽建筑大学土木工程学院,安徽 合肥 230601)]), AuthorCompany(id=1228299348719629132, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, xref=2., ext=[AuthorCompanyExt(id=1228299348723823437, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, companyId=1228299348719629132, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.National-local Joint Engineering Laboratory of Building Health Monitoring and Disaster Prevention Technology, Anhui Jianzhu University, Hefei 230601, China), AuthorCompanyExt(id=1228299348732212046, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, companyId=1228299348719629132, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.安徽建筑大学建筑健康监测与灾害预防技术国家地方联合工程实验室,安徽 合肥 230601)])]), Author(id=1228299349940171667, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1228299350061806491, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, authorId=1228299349940171667, language=EN, stringName=Deyi WU, firstName=Deyi, middleName=null, lastName=WU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1.School of Civil Engineering, Anhui Jianzhu University, Hefei 230601, China
2.National-local Joint Engineering Laboratory of Building Health Monitoring and Disaster Prevention Technology, Anhui Jianzhu University, Hefei 230601, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1228299350200218526, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, authorId=1228299349940171667, language=CN, stringName=吴德义, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1.安徽建筑大学土木工程学院,安徽 合肥 230601
2.安徽建筑大学建筑健康监测与灾害预防技术国家地方联合工程实验室,安徽 合肥 230601, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1228299347750744901, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, xref=1., ext=[AuthorCompanyExt(id=1228299347759133510, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, companyId=1228299347750744901, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.School of Civil Engineering, Anhui Jianzhu University, Hefei 230601, China), AuthorCompanyExt(id=1228299347763327815, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, companyId=1228299347750744901, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.安徽建筑大学土木工程学院,安徽 合肥 230601)]), AuthorCompany(id=1228299348719629132, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, xref=2., ext=[AuthorCompanyExt(id=1228299348723823437, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, companyId=1228299348719629132, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.National-local Joint Engineering Laboratory of Building Health Monitoring and Disaster Prevention Technology, Anhui Jianzhu University, Hefei 230601, China), AuthorCompanyExt(id=1228299348732212046, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, companyId=1228299348719629132, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.安徽建筑大学建筑健康监测与灾害预防技术国家地方联合工程实验室,安徽 合肥 230601)])]), Author(id=1228299350351213481, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1228299350464459696, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, authorId=1228299350351213481, language=EN, stringName=Shengkui DI, firstName=Shengkui, middleName=null, lastName=DI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3.College of Civil Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1228299350611260343, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, authorId=1228299350351213481, language=CN, stringName=狄生奎, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3.兰州交通大学土木工程学院,甘肃 兰州 730070, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1228299348832875348, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, xref=3., ext=[AuthorCompanyExt(id=1228299348841263956, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, companyId=1228299348832875348, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.College of Civil Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China), AuthorCompanyExt(id=1228299348849652565, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, companyId=1228299348832875348, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.兰州交通大学土木工程学院,甘肃 兰州 730070)])]), Author(id=1228299350737089472, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, orderNo=4, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1228299350888084422, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, authorId=1228299350737089472, language=EN, stringName=Xu ZHENG, firstName=Xu, middleName=null, lastName=ZHENG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
4, address=
4.School of Civil Engineering, Dalian University of Technology, Dalian 116023, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1228299351026496459, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, authorId=1228299350737089472, language=CN, stringName=郑旭, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
4, address=
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Journal of Vibration Engineering,
2012,
25(2):215-220., articleTitle=A non-stationary signal analysis approach——the local characteristic-scale decomposition method, refAbstract=null)], funds=[Fund(id=1228299361260597545, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, awardId=2022AH050248, language=CN, fundingSource=安徽省高校自然科学研究项目-重点项目(2022AH050248), fundOrder=null, country=null), Fund(id=1228299361357066537, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, awardId=GG22KF002, language=CN, fundingSource=建筑健康监测与灾害预防技术国家地方联合工程实验室开放课题(GG22KF002), fundOrder=null, country=null), Fund(id=1228299362749575467, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, awardId=HYB20220240, language=CN, fundingSource=企业委托技术开发课题(HYB20220240), fundOrder=null, country=null), Fund(id=1228299362879598892, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, awardId=HYB20230001, language=CN, fundingSource=企业委托技术开发课题(HYB20230001), fundOrder=null, country=null), Fund(id=1228299362997039405, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, awardId=gxgnfx2022021, language=CN, fundingSource=安徽省高校优秀拔尖人才培育项目(gxgnfx2022021), fundOrder=null, country=null), Fund(id=1228299363085119793, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, awardId=JK2023-03, language=CN, fundingSource=甘肃省建设科技项目计划(JK2023-03), fundOrder=null, country=null), Fund(id=1228299363152228659, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, awardId=51868045, language=CN, fundingSource=国家自然科学基金资助项目(51868045), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1228299347750744901, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, xref=1., ext=[AuthorCompanyExt(id=1228299347759133510, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, companyId=1228299347750744901, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.安徽建筑大学土木工程学院,安徽 合肥 230601)]), AuthorCompany(id=1228299348719629132, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, xref=2., ext=[AuthorCompanyExt(id=1228299348723823437, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, companyId=1228299348719629132, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.安徽建筑大学建筑健康监测与灾害预防技术国家地方联合工程实验室,安徽 合肥 230601)]), AuthorCompany(id=1228299348832875348, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, xref=3., ext=[AuthorCompanyExt(id=1228299348841263956, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, companyId=1228299348832875348, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3.兰州交通大学土木工程学院,甘肃 兰州 730070)]), AuthorCompany(id=1228299348950315870, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, xref=4., ext=[AuthorCompanyExt(id=1228299348954510175, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, companyId=1228299348950315870, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4.School of Civil Engineering, Dalian University of Technology, Dalian 116023, China), AuthorCompanyExt(id=1228299348962898785, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, companyId=1228299348950315870, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4.大连理工大学土木工程学院,辽宁 大连 116023)])], figs=[ArticleFig(id=1228299352414810138, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Fig. 1, caption=
Influence line identification process, figureFileSmall=EVzeqwTZC29BY7g9uNRZNg==, figureFileBig=vGbkgvYaDN4wCYGC/S35ng==, tableContent=null), ArticleFig(id=1228299353807319072, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=图1, caption=
影响线识别流程, figureFileSmall=EVzeqwTZC29BY7g9uNRZNg==, figureFileBig=vGbkgvYaDN4wCYGC/S35ng==, tableContent=null), ArticleFig(id=1228299353991868454, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Fig. 2, caption=
Diagram of L-curve method, figureFileSmall=HrKwz/O07eK+yMq0qYy7KA==, figureFileBig=rXQmNHRyOiqRXooB2SPCaQ==, tableContent=null), ArticleFig(id=1228299354126086187, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=图2, caption=
L-curve法示意图, figureFileSmall=HrKwz/O07eK+yMq0qYy7KA==, figureFileBig=rXQmNHRyOiqRXooB2SPCaQ==, tableContent=null), ArticleFig(id=1228299354218360878, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Fig. 3, caption=
Example model of simply supported beam bridge, figureFileSmall=ywWo8LwFaIpwKAq4TtuVyA==, figureFileBig=200gZpNm03b+/6z37P78Bw==, tableContent=null), ArticleFig(id=1228299354331607089, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=图3, caption=
简支梁桥算例模型, figureFileSmall=ywWo8LwFaIpwKAq4TtuVyA==, figureFileBig=200gZpNm03b+/6z37P78Bw==, tableContent=null), ArticleFig(id=1228299354499379255, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Fig. 4, caption=
Dynamics model of 1/2 two-axle car, figureFileSmall=xxtsi+7JIdHGiOYwyX+HyQ==, figureFileBig=SlEC0id8sI5zM9znihWdLA==, tableContent=null), ArticleFig(id=1228299354641985598, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=图4, caption=
1/2双轴车动力学模型, figureFileSmall=xxtsi+7JIdHGiOYwyX+HyQ==, figureFileBig=SlEC0id8sI5zM9znihWdLA==, tableContent=null), ArticleFig(id=1228299354755231813, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Fig. 5, caption=
Deflection curve of measuring point in middle span of simply supported beam bridge, figureFileSmall=Dcu6cLFF6tIy7vZjWDNrrQ==, figureFileBig=7g0onWJYxkPtiDcvGGuUeg==, tableContent=null), ArticleFig(id=1228299354851700812, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=图5, caption=
简支梁桥跨中测点挠度曲线, figureFileSmall=Dcu6cLFF6tIy7vZjWDNrrQ==, figureFileBig=7g0onWJYxkPtiDcvGGuUeg==, tableContent=null), ArticleFig(id=1228299354956558416, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Fig. 6, caption=
Strain curve of measuring point in middle span of simply supported beam bridge, figureFileSmall=ocaIqJJ3a2UKDGkTVgxoIw==, figureFileBig=KUUjo8TMuubIwdIlHJIFIQ==, tableContent=null), ArticleFig(id=1228299355065610326, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=图6, caption=
简支梁桥跨中测点应变曲线, figureFileSmall=ocaIqJJ3a2UKDGkTVgxoIw==, figureFileBig=KUUjo8TMuubIwdIlHJIFIQ==, tableContent=null), ArticleFig(id=1228299355157885020, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Fig. 7, caption=
Preprocessing results of mid-span deflection response of simply supported beam bridge, figureFileSmall=mEBWsvTyblE72D9M7wTFjw==, figureFileBig=sCr1hoDEwgWA6G7MEUKU+A==, tableContent=null), ArticleFig(id=1228299355300491361, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=图7, caption=
简支梁桥跨中挠度响应预处理结果, figureFileSmall=mEBWsvTyblE72D9M7wTFjw==, figureFileBig=sCr1hoDEwgWA6G7MEUKU+A==, tableContent=null), ArticleFig(id=1228299355430514793, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Fig. 8, caption=
Local details of mid-span deflection of simply supported beam bridge, figureFileSmall=+erMLl5M4trYrtoMplDPew==, figureFileBig=YuTMY5s2OveFli9lBX5aZg==, tableContent=null), ArticleFig(id=1228299355535372396, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=图8, caption=
简支梁桥跨中挠度局部细节图, figureFileSmall=+erMLl5M4trYrtoMplDPew==, figureFileBig=YuTMY5s2OveFli9lBX5aZg==, tableContent=null), ArticleFig(id=1228299355657007219, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Fig. 9, caption=
Preprocessing results of mid-span strain response of simply supported beam bridge, figureFileSmall=/PKNTmUZdctJWnI7ECsyww==, figureFileBig=eOx9ByCBOob9DsYgzG3rLw==, tableContent=null), ArticleFig(id=1228299355757670519, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=图9, caption=
简支梁桥跨中应变响应预处理结果, figureFileSmall=/PKNTmUZdctJWnI7ECsyww==, figureFileBig=eOx9ByCBOob9DsYgzG3rLw==, tableContent=null), ArticleFig(id=1228299355887693949, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Fig. 10, caption=
Local details of mid-span strain of simply supported beam bridge, figureFileSmall=TgN3gr5qcD2PaztDUSd/KQ==, figureFileBig=KkruP4+Uba7LFC+8qfxWSw==, tableContent=null), ArticleFig(id=1228299356000940161, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=图10, caption=
简支梁桥跨中应变局部细节图, figureFileSmall=TgN3gr5qcD2PaztDUSd/KQ==, figureFileBig=KkruP4+Uba7LFC+8qfxWSw==, tableContent=null), ArticleFig(id=1228299356093214855, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Fig. 11, caption=
Identification results of DIL in the middle span of simply supported beam bridge, figureFileSmall=RF6Gq058KFEsWrWaGlmQQA==, figureFileBig=LaQvSkwk8rJvfzyQPcR2cQ==, tableContent=null), ArticleFig(id=1228299356252598409, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=图11, caption=
简支梁桥跨中DIL识别结果, figureFileSmall=RF6Gq058KFEsWrWaGlmQQA==, figureFileBig=LaQvSkwk8rJvfzyQPcR2cQ==, tableContent=null), ArticleFig(id=1228299356386816142, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Fig. 12, caption=
Local detail of DIL in the middle span of simply supported beam bridge, figureFileSmall=bYsuywcFgzT+4Wr9AlxYyA==, figureFileBig=cZzTO82E6B2sgnD+LplqMg==, tableContent=null), ArticleFig(id=1228299356483285141, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=图12, caption=
简支梁桥跨中DIL局部细节图, figureFileSmall=bYsuywcFgzT+4Wr9AlxYyA==, figureFileBig=cZzTO82E6B2sgnD+LplqMg==, tableContent=null), ArticleFig(id=1228299356600725658, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Fig. 13, caption=
Identification results of SIL in the middle span of simply supported beam bridge, figureFileSmall=xbl0HqoTm1VbhJwQhrex/w==, figureFileBig=lYRVIxv/GdYuTyLpOtSHsQ==, tableContent=null), ArticleFig(id=1228299356726554783, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=图13, caption=
简支梁桥跨中SIL识别结果, figureFileSmall=xbl0HqoTm1VbhJwQhrex/w==, figureFileBig=lYRVIxv/GdYuTyLpOtSHsQ==, tableContent=null), ArticleFig(id=1228299356881744036, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Fig. 14, caption=
Local detail of SIL in the middle span of simply supported beam bridge, figureFileSmall=ohhpcqCpTAZx9+ltm8+wwg==, figureFileBig=T+T+lmKuGIFnT8RvafKB0w==, tableContent=null), ArticleFig(id=1228299358265864361, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=图14, caption=
简支梁桥跨中SIL局部细节图, figureFileSmall=ohhpcqCpTAZx9+ltm8+wwg==, figureFileBig=T+T+lmKuGIFnT8RvafKB0w==, tableContent=null), ArticleFig(id=1228299358425247915, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Fig. 15, caption=
Example model of continuous beam bridge, figureFileSmall=kYSpSZHMqbuF1JDBWBxMqA==, figureFileBig=6bhU4KXzUt4s7oPToR0qwA==, tableContent=null), ArticleFig(id=1228299358534299827, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=图15, caption=
连续梁桥算例模型, figureFileSmall=kYSpSZHMqbuF1JDBWBxMqA==, figureFileBig=6bhU4KXzUt4s7oPToR0qwA==, tableContent=null), ArticleFig(id=1228299358643351736, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Fig. 16, caption=
Deflection curve of measuring point in the middle span of continuous beam bridge mid-span, figureFileSmall=rczvpw6D9nofQaOLMpv/ig==, figureFileBig=EB2DtvuipvCW2yb1mOHSHw==, tableContent=null), ArticleFig(id=1228299358756597949, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=图16, caption=
连续梁桥中跨跨中测点挠度曲线, figureFileSmall=rczvpw6D9nofQaOLMpv/ig==, figureFileBig=EB2DtvuipvCW2yb1mOHSHw==, tableContent=null), ArticleFig(id=1228299358836289731, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Fig. 17, caption=
Strain curve of measuring point in the middle span of continuous beam bridge mid-span, figureFileSmall=Zllq1J5BXCpGTgjj4uTJkg==, figureFileBig=n02M/LwD+UZXAzrqauGX9w==, tableContent=null), ArticleFig(id=1228299358924370123, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=图17, caption=
连续梁桥中跨跨中测点应变曲线, figureFileSmall=Zllq1J5BXCpGTgjj4uTJkg==, figureFileBig=n02M/LwD+UZXAzrqauGX9w==, tableContent=null), ArticleFig(id=1228299358999867598, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Fig. 18, caption=
Preprocessing results of deflection response at measuring point of continuous beam bridge example, figureFileSmall=nRzCoHbA99YPqg8XBNSgsw==, figureFileBig=8ZjV4TSjsCFIk+7KsUXAjA==, tableContent=null), ArticleFig(id=1228299359096336593, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=图18, caption=
连续梁桥算例测点处挠度响应预处理结果, figureFileSmall=nRzCoHbA99YPqg8XBNSgsw==, figureFileBig=8ZjV4TSjsCFIk+7KsUXAjA==, tableContent=null), ArticleFig(id=1228299359243137240, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Fig. 19, caption=
Local details of deflection at measuring point of continuous beam bridge example, figureFileSmall=vt71mw/v9GJTw1lUxI9frQ==, figureFileBig=RX6lFHlh0raw4RtRB7JVmQ==, tableContent=null), ArticleFig(id=1228299359331217629, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=图19, caption=
连续梁桥算例测点处挠度局部细节图, figureFileSmall=vt71mw/v9GJTw1lUxI9frQ==, figureFileBig=RX6lFHlh0raw4RtRB7JVmQ==, tableContent=null), ArticleFig(id=1228299359436075232, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Fig. 20, caption=
Preprocessing results of strain response at measuring point of continuous beam bridge example, figureFileSmall=2pC/kJvCrGc5XFjVzqzRyw==, figureFileBig=oOKBKJkyoB4VwceoXMeYgQ==, tableContent=null), ArticleFig(id=1228299359528349923, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=图20, caption=
连续梁桥算例测点处应变响应预处理结果, figureFileSmall=2pC/kJvCrGc5XFjVzqzRyw==, figureFileBig=oOKBKJkyoB4VwceoXMeYgQ==, tableContent=null), ArticleFig(id=1228299359662567657, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Fig. 21, caption=
Local details of strain at measuring point of continuous beam bridge example, figureFileSmall=xStQuuUZY5IrhQ2+Dcd8OQ==, figureFileBig=IigmeHciQy9Zovc/mTGWuA==, tableContent=null), ArticleFig(id=1228299359742259438, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=图21, caption=
连续梁桥算例测点处应变局部细节图, figureFileSmall=xStQuuUZY5IrhQ2+Dcd8OQ==, figureFileBig=IigmeHciQy9Zovc/mTGWuA==, tableContent=null), ArticleFig(id=1228299359830339825, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Fig. 22, caption=
Identification results of DIL in the middle span of continuous beam bridge mid-span, figureFileSmall=pHrZVyMLQf38VZ4tRDky9w==, figureFileBig=QY7UhGQUtTC1CzncG/JLWQ==, tableContent=null), ArticleFig(id=1228299359939391735, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=图22, caption=
连续梁桥中跨跨中DIL识别结果, figureFileSmall=pHrZVyMLQf38VZ4tRDky9w==, figureFileBig=QY7UhGQUtTC1CzncG/JLWQ==, tableContent=null), ArticleFig(id=1228299360056832251, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Fig. 23, caption=
Local detail diagram of mid-span DIL for continuous beam bridge mid-span, figureFileSmall=fqgYZpMDRusqG/N0bqQSPQ==, figureFileBig=t5U9S8+qzeOokXgsJtSLiw==, tableContent=null), ArticleFig(id=1228299360216215809, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=图23, caption=
连续梁桥中跨跨中DIL局部细节图, figureFileSmall=fqgYZpMDRusqG/N0bqQSPQ==, figureFileBig=t5U9S8+qzeOokXgsJtSLiw==, tableContent=null), ArticleFig(id=1228299360316879110, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Fig. 24, caption=
Identification results of SIL in the middle span of continuous beam bridge mid-span, figureFileSmall=Rh9qLfUs4zQTPmtSktaH6A==, figureFileBig=p30huD0AIzvmYB1vHr6wjA==, tableContent=null), ArticleFig(id=1228299360413348107, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=图24, caption=
连续梁桥中跨跨中SIL识别结果, figureFileSmall=Rh9qLfUs4zQTPmtSktaH6A==, figureFileBig=p30huD0AIzvmYB1vHr6wjA==, tableContent=null), ArticleFig(id=1228299360514011406, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Fig. 25, caption=
Local detail diagram of mid-span SIL for continuous beam bridge mid-span, figureFileSmall=E1u+I1KHi1eaFOKPoPWVcA==, figureFileBig=dZwYNUd+l5EeIuHNwPsfAw==, tableContent=null), ArticleFig(id=1228299360648229140, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=图25, caption=
连续梁桥中跨跨中SIL局部细节图, figureFileSmall=E1u+I1KHi1eaFOKPoPWVcA==, figureFileBig=dZwYNUd+l5EeIuHNwPsfAw==, tableContent=null), ArticleFig(id=1228299360727920917, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Tab. 1, caption=
Vehicle dynamics model parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | 参数 | 数值 |
|---|
| m1/kg | 224 | Ka1/(N·m-1) | 875668 |
| m2/kg | 197 | Ka2/(N·m-1) | 788100 |
| m3/kg | 2451 | Ca1/(N·s·m-1) | 4000 |
| J/(kg·m3) | 25000 | Ca2/(N·s·m-1) | 2000 |
| Kb1/(N·m-1) | 1138368 | Cb1/(N·s·m-1) | 15000 |
| Kb2/(N·m-1) | 1982510 | Cb2/(N·s·m-1) | 15000 |
), ArticleFig(id=1228299360824389911, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=表1, caption=
车辆动力学模型参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | 参数 | 数值 |
|---|
| m1/kg | 224 | Ka1/(N·m-1) | 875668 |
| m2/kg | 197 | Ka2/(N·m-1) | 788100 |
| m3/kg | 2451 | Ca1/(N·s·m-1) | 4000 |
| J/(kg·m3) | 25000 | Ca2/(N·s·m-1) | 2000 |
| Kb1/(N·m-1) | 1138368 | Cb1/(N·s·m-1) | 15000 |
| Kb2/(N·m-1) | 1982510 | Cb2/(N·s·m-1) | 15000 |
), ArticleFig(id=1228299360950219036, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=EN, label=Tab. 2, caption=
Error analysis of influence line identification under different structure
, figureFileSmall=null, figureFileBig=null, tableContent=
| 结构形式 | 影响线 | 30 km/h | 60 km/h | 90 km/h | 120 km/h |
|---|
| ORE | PRE | ORE | PRE | ORE | PRE | ORE | PRE |
|---|
| 简支梁桥 | DIL | 1.34% | 0.77% | 1.70% | 4.08% | 0.22% | 0.31% | 4.25% | 4.80% |
| SIL | 1.59% | 1.60% | 1.87% | 6.56% | 0.30% | 0.34% | 4.53% | 4.91% |
| 三跨连续梁桥 | DIL | 2.98% | 2.73% | 2.06% | 7.09% | 0.65% | 0.94% | 4.55% | 5.60% |
| SIL | 4.91% | 3.97% | 2.51% | 8.23% | 0.92% | 0.98% | 6.32% | 7.58% |
), ArticleFig(id=1228299361063465250, tenantId=1146029695717560320, journalId=1225147924628267009, articleId=1228295395562943460, language=CN, label=表2, caption=
不同结构下的影响线识别误差分析
, figureFileSmall=null, figureFileBig=null, tableContent=
| 结构形式 | 影响线 | 30 km/h | 60 km/h | 90 km/h | 120 km/h |
|---|
| ORE | PRE | ORE | PRE | ORE | PRE | ORE | PRE |
|---|
| 简支梁桥 | DIL | 1.34% | 0.77% | 1.70% | 4.08% | 0.22% | 0.31% | 4.25% | 4.80% |
| SIL | 1.59% | 1.60% | 1.87% | 6.56% | 0.30% | 0.34% | 4.53% | 4.91% |
| 三跨连续梁桥 | DIL | 2.98% | 2.73% | 2.06% | 7.09% | 0.65% | 0.94% | 4.55% | 5.60% |
| SIL | 4.91% | 3.97% | 2.51% | 8.23% | 0.92% | 0.98% | 6.32% | 7.58% |
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